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Contents

How fast is g-force in mph?

For example: An acceleration of 1 g equates to a rate of change in velocity of approximately 35 kilometres per hour (22 mph) for each second that elapses.

How fast is 9 G’s of force?

Normal humans can withstand no more than 9 g’s, and even that for only a few seconds. When undergoing an acceleration of 9 g’s, your body feels nine times heavier than usual, blood rushes to the feet, and the heart can’t pump hard enough to bring this heavier blood to the brain.

How many Gs is 80 mph?

Conversion number between standard gravity [g₀] and miles per hour per second [mph/s] is 21.936851288475.
…
standard gravity to miles per hour per second conversion chart.

standard gravity	miles per hour per second
60	1316.2110773085
70	1535.5795901933
80	1754.948103078

How fast is 1g of speed?

From Earth’s frame of reference, if you’re accelerating at a constant rate of 1 g, then you’d reach near the speed of light in about a year, having covered about 0.5 light-years in distance.

How many g is 700 mph?

With acceleration at 0.3g, reaching 700 mph may only require 15 kilometers, or around nine miles, of track.

How fast is 5gs of force?

At 5 Gs, a driver experiences a force equal to five times his weight. For instance, during a 5-G turn, there are 60 to 70 pounds of force pulling his head to the side.

What does 9.0 g feel like?

Modern fighters like the F-16 and F-35 pull 9G’s, which translates to over 2,000 pounds on my body. Under 9G’s, the world appears to shrink until it looks like you’re viewing it through a toilet paper roll. Blood is being pulled out of your head towards your legs and arms, resulting in the loss of peripheral vision.

What does 6G feel like?

Even this is a bizarre sensation. The force pounding on my chest pressed down into my lungs, making it hard to breathe. The force going down toward my feet was even worse, making my toes feel heavy and my head too light.

How fast is 10G speed?

The Basics of 10G

10G is a new piece of broadband network tech that will, theoretically, allow for greater than 10-gigabit-per-second (Gbps) speeds over cable internet networks. Ten Gbps is up to 10 times faster than 5G and more than 700 times faster than the average U.S. internet speed of around 18 Mbps.

How fast is 4g force?

The “g-force” is not actually a force but an acceleration. So for example experiencing 4g is to undergo an acceleration equivalent to 4 times the acceleration due to gravity, where 4g is 4×9. 8 m/s².

How many Gs is lethal?

Changes in speed are expressed in multiples of gravitational acceleration, or ‘G’. Most of us can withstand up to 4-6G. Fighter pilots can manage up to about 9G for a second or two. But sustained G-forces of even 6G would be fatal.

How much force is 10g?

You often hear the word G-force used in the context of astronauts being launched into space. An astronaut experiencing a force of ten Gs, for example, is experiencing a force equal to 10 times the force of gravity.

How fast is 2g force?

If a pilot of my mass experienced a force of 2 G’s, it would mean they are accelerating at 19.6 meters/sec/sec (double that of Earth’s gravitational pull) and that a force equal 1,509.2 N is being exerted on them (1509.2 N/754.6 N = 2 G).

Is 1 Gbps internet fast?

Gigabit Internet service transmits data up to 1 Gigabit per second (Gbps) — or 1,000 megabits per second (Mbps).
…
Gigabit to Mbps conversion information.

Gigabit per second	Megabit per second
1 Gbps	1,000 Mbps
2 Gbps	2,000 Mbps
3 Gbps	3,000 Mbps
4 Gbps	4,000 Mbps

How fast is 4g force?

How many G’s does it take to pass out?

Most of us would pass out with head-to-toe G forces of just 4 or 5 because our hearts can’t summon the necessary pressure. Blood pools in our lower extremities, and our brains fail to get enough oxygen.

How many G’s does a fighter pilot pull?

Fighter jets can pull up to 9 g vertically, and the more a pilot can take without blacking out, the better their chances in a dogfight. Some pilots wear “g-suits” which help push the blood away from their legs and towards the brain.

How many Gs is a fighter jet?

Modern fighters like the F-16 and F-35 pull 9G’s, which translates to over 2,000 pounds on my body.

Comparison: G-force

how fast is 7 gs

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Summary of article content: Articles about how fast is 7 gs Well, it’s 8 miles per second, of course! That is it’s rate of speed. You could multiply that by 60 to get 480 miles per minute. To put that into perspective … …
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how fast is 7 gs

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Contents

Unit and measurement[edit]

Acceleration and forces[edit]

Human tolerance[edit]

Short duration shock impact and jerk[edit]

Other biological responses[edit]

Typical examples[edit]

Measurement using an accelerometer[edit]

Wikipedia

Term for accelerations felt as weight and measurable by accelerometers

This article is about a type of force per unit mass. For other uses, see G-Force (disambiguation)

This article is about effects of long acceleration. For transient acceleration, see Shock (mechanics)

L) equals weight (W). In a steady level banked turn of 60°, lift equals double the weight (L = 2W). The pilot experiences 2 g and a doubled weight. The steeper the bank, the greater the g-forces. In straight and level flight, lift () equals weight (). In a steady level banked turn of 60°, lift equals double the weight (= 2). The pilot experiences 2 g and a doubled weight. The steeper the bank, the greater the g-forces.

This top-fuel dragster can accelerate from zero to 160 kilometres per hour (99 mph) in 0.86 seconds. This is a horizontal acceleration of 5.3 g. Combining this with the vertical g-force in the stationary case using the Pythagorean theorem yields a g-force of 5.4 g.

The gravitational force equivalent, or, more commonly, g-force, is a measurement of the type of force per unit mass – typically acceleration – that causes a perception of weight, with a g-force of 1 g (not gram in mass measurement) equal to the conventional value of gravitational acceleration on Earth, g, of about 9.8 m/s2.[1] Since g-forces indirectly produce weight, any g-force can be described as a “weight per unit mass” (see the synonym specific weight). When the g-force is produced by the surface of one object being pushed by the surface of another object, the reaction force to this push produces an equal and opposite weight for every unit of an object’s[which?] mass. The types of forces involved are transmitted through objects by interior mechanical stresses. Gravitational acceleration (except certain electromagnetic force influences) is the cause of an object’s acceleration in relation to free fall.[2][3]
The g-force experienced by an object is due to the vector sum of all non-gravitational and non-electromagnetic forces acting on an object’s freedom to move. In practice, as noted, these are surface-contact forces between objects. Such forces cause stresses and strains on objects, since they must be transmitted from an object surface. Because of these strains, large g-forces may be destructive.

Gravity acting alone does not produce a g-force, even though g-forces are expressed in multiples of the free-fall acceleration of standard gravity. Thus, the standard gravitational force at the Earth’s surface produces g-force only indirectly, as a result of resistance to it by mechanical forces. It is these mechanical forces that actually produce the g-force on a mass. For example, a force of 1 g on an object sitting on the Earth’s surface is caused by the mechanical force exerted in the upward direction by the ground, keeping the object from going into free fall. The upward contact force from the ground ensures that an object at rest on the Earth’s surface is accelerating relative to the free-fall condition. (Free fall is the path that the object would follow when falling freely toward the Earth’s center). Stress inside the object is ensured from the fact that the ground contact forces are transmitted only from the point of contact with the ground.

Objects allowed to free-fall in an inertial trajectory under the influence of gravitation only feel no g-force, a condition known as weightlessness. This is also termed “zero-g”, although the more correct term is “zero g-force”. This is demonstrated by the zero g-force conditions inside an elevator falling freely toward the Earth’s center (in vacuum), or (to good approximation) conditions inside a spacecraft in Earth orbit. These are examples of coordinate acceleration (a change in velocity) without a sensation of weight.

In the absence of gravitational fields, or in directions at right angles to them, proper and coordinate accelerations are the same, and any coordinate acceleration must be produced by a corresponding g-force acceleration. An example here is a rocket in free space, in which simple changes in velocity are produced by the engines and produce g-forces on the rocket and passengers.

Unit and measurement [ edit ]
The unit of measure of acceleration in the International System of Units (SI) is m/s2. However, to distinguish acceleration relative to free fall from simple acceleration (rate of change of velocity), the unit g (or g) is often used. One g is the force per unit mass due to gravity at the Earth’s surface and is the standard gravity (symbol: g n ), defined as 9.80665 metres per second squared,[4] or equivalently 9.80665 newtons of force per kilogram of mass. The unit definition does not vary with location—the g-force when standing on the Moon is almost exactly 1⁄6 that on Earth.

The unit g is not one of the SI units, which uses “g” for gram. Also, “g” should not be confused with “G”, which is the standard symbol for the gravitational constant.[5] This notation is commonly used in aviation, especially in aerobatic or combat military aviation, to describe the increased forces that must be overcome by pilots in order to remain conscious and not g-LOC (g-induced loss of consciousness).[6]
Measurement of g-force is typically achieved using an accelerometer (see discussion below in Measurement using an accelerometer). In certain cases, g-forces may be measured using suitably calibrated scales. Specific force is another name that has been used for g-force.

Acceleration and forces [ edit ]
The term g-“force” is technically incorrect as it is a measure of acceleration, not force. While acceleration is a vector quantity, g-force accelerations (“g-forces” for short) are often expressed as a scalar, with positive g-forces pointing downward (indicating upward acceleration), and negative g-forces pointing upward. Thus, a g-force is a vector of acceleration. It is an acceleration that must be produced by a mechanical force, and cannot be produced by simple gravitation. Objects acted upon only by gravitation experience (or “feel”) no g-force, and are weightless.

g-forces, when multiplied by a mass upon which they act, are associated with a certain type of mechanical force in the correct sense of the term “force”, and this force produces compressive stress and tensile stress. Such forces result in the operational sensation of weight, but the equation carries a sign change due to the definition of positive weight in the direction downward, so the direction of weight-force is opposite to the direction of g-force acceleration:

Weight = mass × −g-force

The reason for the minus sign is that the actual force (i.e., measured weight) on an object produced by a g-force is in the opposite direction to the sign of the g-force, since in physics, weight is not the force that produces the acceleration, but rather the equal-and-opposite reaction force to it. If the direction upward is taken as positive (the normal cartesian convention) then positive g-force (an acceleration vector that points upward) produces a force/weight on any mass, that acts downward (an example is positive-g acceleration of a rocket launch, producing downward weight). In the same way, a negative-g force is an acceleration vector downward (the negative direction on the y axis), and this acceleration downward produces a weight-force in a direction upward (thus pulling a pilot upward out of the seat, and forcing blood toward the head of a normally oriented pilot).

If a g-force (acceleration) is vertically upward and is applied by the ground (which is accelerating through space-time) or applied by the floor of an elevator to a standing person, most of the body experiences compressive stress which at any height, if multiplied by the area, is the related mechanical force, which is the product of the g-force and the supported mass (the mass above the level of support, including arms hanging down from above that level). At the same time, the arms themselves experience a tensile stress, which at any height, if multiplied by the area, is again the related mechanical force, which is the product of the g-force and the mass hanging below the point of mechanical support. The mechanical resistive force spreads from points of contact with the floor or supporting structure, and gradually decreases toward zero at the unsupported ends (the top in the case of support from below, such as a seat or the floor, the bottom for a hanging part of the body or object). With compressive force counted as negative tensile force, the rate of change of the tensile force in the direction of the g-force, per unit mass (the change between parts of the object such that the slice of the object between them has unit mass), is equal to the g-force plus the non-gravitational external forces on the slice, if any (counted positive in the direction opposite to the g-force).

For a given g-force the stresses are the same, regardless of whether this g-force is caused by mechanical resistance to gravity, or by a coordinate-acceleration (change in velocity) caused by a mechanical force, or by a combination of these. Hence, for people all mechanical forces feels exactly the same whether they cause coordinate acceleration or not. For objects likewise, the question of whether they can withstand the mechanical g-force without damage is the same for any type of g-force. For example, upward acceleration (e.g., increase of speed when going up or decrease of speed when going down) on Earth feels the same as being stationary on a celestial body with a higher surface gravity. Gravitation acting alone does not produce any g-force; g-force is only produced from mechanical pushes and pulls. For a free body (one that is free to move in space) such g-forces only arise as the “inertial” path that is the natural effect of gravitation, or the natural effect of the inertia of mass, is modified. Such modification may only arise from influences other than gravitation.

Examples of important situations involving g-forces include:

The g-force acting on a stationary object resting on the Earth’s surface is 1 g (upwards) and results from the resisting reaction of the Earth’s surface bearing upwards equal to an acceleration of 1 g, and is equal and opposite to gravity. The number 1 is approximate, depending on location.

The g-force acting on an object in any weightless environment such as free-fall in a vacuum is 0 g.

The g-force acting on an object under acceleration can be much greater than 1 g, for example, the dragster pictured at top right can exert a horizontal g-force of 5.3 when accelerating.

The g-force acting on an object under acceleration may be downwards, for example when cresting a sharp hill on a roller coaster.

If there are no other external forces than gravity, the g-force in a rocket is the thrust per unit mass. Its magnitude is equal to the thrust-to-weight ratio times g, and to the consumption of delta-v per unit time.

In the case of a shock, e.g., a collision, the g-force can be very large during a short time.

A classic example of negative g-force is in a fully inverted roller coaster which is accelerating (changing velocity) toward the ground. In this case, the roller coaster riders are accelerated toward the ground faster than gravity would accelerate them, and are thus pinned upside down in their seats. In this case, the mechanical force exerted by the seat causes the g-force by altering the path of the passenger downward in a way that differs from gravitational acceleration. The difference in downward motion, now faster than gravity would provide, is caused by the push of the seat, and it results in a g-force toward the ground.

All “coordinate accelerations” (or lack of them), are described by Newton’s laws of motion as follows:

The Second Law of Motion, the law of acceleration states that: F = ma., meaning that a force F acting on a body is equal to the mass m of the body times its acceleration a.

The Third Law of Motion, the law of reciprocal actions states that: all forces occur in pairs, and these two forces are equal in magnitude and opposite in direction. Newton’s third law of motion means that not only does gravity behave as a force acting downwards on, say, a rock held in your hand but also that the rock exerts a force on the Earth, equal in magnitude and opposite in direction.

This acrobatic airplane is pulling up in a +g maneuver; the pilot is experiencing several g’s of inertial acceleration in addition to the force of gravity. The cumulative vertical axis forces acting upon his body make him momentarily ‘weigh’ many times more than normal.

In an airplane, the pilot’s seat can be thought of as the hand holding the rock, the pilot as the rock. When flying straight and level at 1 g, the pilot is acted upon by the force of gravity. His weight (a downward force) is 725 newtons (163 lb f ). In accordance with Newton’s third law, the plane and the seat underneath the pilot provides an equal and opposite force pushing upwards with a force of 725 N (163 lb f ). This mechanical force provides the 1.0 g-force upward proper acceleration on the pilot, even though this velocity in the upward direction does not change (this is similar to the situation of a person standing on the ground, where the ground provides this force and this g-force).

If the pilot were suddenly to pull back on the stick and make his plane accelerate upwards at 9.8 m/s2, the total g‑force on his body is 2 g, half of which comes from the seat pushing the pilot to resist gravity, and half from the seat pushing the pilot to cause his upward acceleration—a change in velocity which also is a proper acceleration because it also differs from a free fall trajectory. Considered in the frame of reference of the plane his body is now generating a force of 1,450 N (330 lb f ) downwards into his seat and the seat is simultaneously pushing upwards with an equal force of 1,450 N (330 lb f ).

Unopposed acceleration due to mechanical forces, and consequentially g-force, is experienced whenever anyone rides in a vehicle because it always causes a proper acceleration, and (in the absence of gravity) also always a coordinate acceleration (where velocity changes). Whenever the vehicle changes either direction or speed, the occupants feel lateral (side to side) or longitudinal (forward and backwards) forces produced by the mechanical push of their seats.

The expression “1 g = 9.80665 m/s2” means that for every second that elapses, velocity changes 9.80665 metres per second (≡35.30394 km/h). This rate of change in velocity can also be denoted as 9.80665 (metres per second) per second, or 9.80665 m/s2. For example: An acceleration of 1 g equates to a rate of change in velocity of approximately 35 kilometres per hour (22 mph) for each second that elapses. Therefore, if an automobile is capable of braking at 1 g and is traveling at 35 kilometres per hour (22 mph), it can brake to a standstill in one second and the driver will experience a deceleration of 1 g. The automobile traveling at three times this speed, 105 km/h (65 mph), can brake to a standstill in three seconds.

In the case of an increase in speed from 0 to v with constant acceleration within a distance of s this acceleration is v2/(2s).

Preparing an object for g-tolerance (not getting damaged when subjected to a high g-force) is called g-hardening.[citation needed] This may apply to, e.g., instruments in a projectile shot by a gun.

Human tolerance [ edit ] [7] Semilog graph of the limits of tolerance of humans to linear acceleration

Human tolerances depend on the magnitude of the gravitational force, the length of time it is applied, the direction it acts, the location of application, and the posture of the body.[8][9]: 350

The human body is flexible and deformable, particularly the softer tissues. A hard slap on the face may briefly impose hundreds of g locally but not produce any real damage; a constant 16 g 0 for a minute, however, may be deadly. When vibration is experienced, relatively low peak g levels can be severely damaging if they are at the resonant frequency of organs or connective tissues.[citation needed]
To some degree, g-tolerance can be trainable, and there is also considerable variation in innate ability between individuals. In addition, some illnesses, particularly cardiovascular problems, reduce g-tolerance.

Vertical [ edit ]
Aircraft pilots (in particular) sustain g-forces along the axis aligned with the spine. This causes significant variation in blood pressure along the length of the subject’s body, which limits the maximum g-forces that can be tolerated.

Positive, or “upward” g, drives blood downward to the feet of a seated or standing person (more naturally, the feet and body may be seen as being driven by the upward force of the floor and seat, upward around the blood). Resistance to positive g varies. A typical person can handle about 5 g 0 (49 m/s2) (meaning some people might pass out when riding a higher-g roller coaster, which in some cases exceeds this point) before losing consciousness, but through the combination of special g-suits and efforts to strain muscles—both of which act to force blood back into the brain—modern pilots can typically handle a sustained 9 g 0 (88 m/s2) (see High-G training).

In aircraft particularly, vertical g-forces are often positive (force blood towards the feet and away from the head); this causes problems with the eyes and brain in particular. As positive vertical g-force is progressively increased (such as in a centrifuge) the following symptoms may be experienced:[citation needed]
Grey-out, where the vision loses hue, easily reversible on levelling out

Tunnel vision, where peripheral vision is progressively lost

Blackout, a loss of vision while consciousness is maintained, caused by a lack of blood flow to the head

G-LOC, a g-force induced loss of consciousness [10]
Death, if g-forces are not quickly reduced

Resistance to “negative” or “downward” g, which drives blood to the head, is much lower. This limit is typically in the −2 to −3 g 0 (−20 to −29 m/s2) range. This condition is sometimes referred to as red out where vision is figuratively reddened[11] due to the blood-laden lower eyelid being pulled into the field of vision.[12] Negative g is generally unpleasant and can cause damage. Blood vessels in the eyes or brain may swell or burst under the increased blood pressure, resulting in degraded sight or even blindness.

Horizontal [ edit ]
The human body is better at surviving g-forces that are perpendicular to the spine. In general when the acceleration is forwards (subject essentially lying on their back, colloquially known as “eyeballs in”),[13] a much higher tolerance is shown than when the acceleration is backwards (lying on their front, “eyeballs out”) since blood vessels in the retina appear more sensitive in the latter direction.[citation needed]
Early experiments showed that untrained humans were able to tolerate a range of accelerations depending on the time of exposure. This ranged from as much as 20 g 0 for less than 10 seconds, to 10 g 0 for 1 minute, and 6 g 0 for 10 minutes for both eyeballs in and out.[14] These forces were endured with cognitive facilities intact, as subjects were able to perform simple physical and communication tasks. The tests were determined to not cause long- or short-term harm although tolerance was quite subjective, with only the most motivated non-pilots capable of completing tests.[15] The record for peak experimental horizontal g-force tolerance is held by acceleration pioneer John Stapp, in a series of rocket sled deceleration experiments culminating in a late 1954 test in which he was clocked in a little over a second from a land speed of Mach 0.9. He survived a peak “eyeballs-out” acceleration of 46.2 times the acceleration of gravity, and more than 25 g 0 for 1.1 seconds, proving that the human body is capable of this. Stapp lived another 45 years to age 89[16] without any ill effects.[17]
The highest recorded g-force experienced by a human who survived was during the 2003 IndyCar Series finale at Texas Motor Speedway on October 12, 2003 in the 2003 Chevy 500 when the car driven by Kenny Bräck made wheel-to-wheel contact with Tomas Scheckter’s car. This immediately resulted in Bräck’s car impacting the catch fence that would record a peak of 214 g 0 .[18][19]
Short duration shock, impact, and jerk [ edit ]
Impact and mechanical shock are usually used to describe a high-kinetic-energy, short-term excitation. A shock pulse is often measured by its peak acceleration in ɡ 0 ·s and the pulse duration. Vibration is a periodic oscillation which can also be measured in ɡ 0 ·s as well as frequency. The dynamics of these phenomena are what distinguish them from the g-forces caused by a relatively longer-term accelerations.

After a free fall from a height h {\displaystyle h} followed by deceleration over a distance d {\displaystyle d} during an impact, the shock on an object is ( h / d ) {\displaystyle (h/d)} · ɡ 0 . For example, a stiff and compact object dropped from 1 m that impacts over a distance of 1 mm is subjected to a 1000 ɡ 0 deceleration.

Jerk is the rate of change of acceleration. In SI units, jerk is expressed as m/s3; it can also be expressed in standard gravity per second (ɡ 0 /s; 1 ɡ 0 /s ≈ 9.81 m/s3).

Other biological responses [ edit ]
Recent research carried out on extremophiles in Japan involved a variety of bacteria (including E. coli as a non-extremophile control) being subject to conditions of extreme gravity. The bacteria were cultivated while being rotated in an ultracentrifuge at high speeds corresponding to 403,627 g. Paracoccus denitrificans was one of the bacteria that displayed not only survival but also robust cellular growth under these conditions of hyperacceleration, which are usually only to be found in cosmic environments, such as on very massive stars or in the shock waves of supernovas. Analysis showed that the small size of prokaryotic cells is essential for successful growth under hypergravity. Notably, two multicellular species, the nematodes Panagrolaimus superbus[20] and Caenorhabditis elegans were shown to be able to tolerate 400,000 × g for 1 hour.[21] The research has implications on the feasibility of panspermia.[22][23]
Typical examples [ edit ]
* Including contribution from resistance to gravity.

† Directed 40 degrees from horizontal.

Measurement using an accelerometer [ edit ]
An accelerometer, in its simplest form, is a damped mass on the end of a spring, with some way of measuring how far the mass has moved on the spring in a particular direction, called an ‘axis’.

Accelerometers are often calibrated to measure g-force along one or more axes. If a stationary, single-axis accelerometer is oriented so that its measuring axis is horizontal, its output will be 0 g, and it will continue to be 0 g if mounted in an automobile traveling at a constant velocity on a level road. When the driver presses on the brake or gas pedal, the accelerometer will register positive or negative acceleration.

If the accelerometer is rotated by 90° so that it is vertical, it will read +1 g upwards even though stationary. In that situation, the accelerometer is subject to two forces: the gravitational force and the ground reaction force of the surface it is resting on. Only the latter force can be measured by the accelerometer, due to mechanical interaction between the accelerometer and the ground. The reading is the acceleration the instrument would have if it were exclusively subject to that force.

A three-axis accelerometer will output zero‑g on all three axes if it is dropped or otherwise put into a ballistic trajectory (also known as an inertial trajectory), so that it experiences “free fall,” as do astronauts in orbit (astronauts experience small tidal accelerations called microgravity, which are neglected for the sake of discussion here). Some amusement park rides can provide several seconds at near-zero g. Riding NASA’s “Vomit Comet” provides near-zero g for about 25 seconds at a time.

See also [ edit ]
References [ edit ]

The Jump to Light Speed Is a Real Killer

Editor’s Note: The following is an excerpt from the 1999 book The Science of Star Wars by Jeanne Cavelos.

Han Solo talks about making the “jump to light speed.” If the Millenium Falcon is somehow jumping to light speed, it implies a nearly instantaneous acceleration. The Falcon might be traveling along at 50 miles per hour, and then suddenly it’s traveling at 186,000 miles per second. Let BMW try to beat that acceleration! It’s no problem for Han to accelerate the Falcon from zero to 60 miles per hour in five seconds. Inertia will push him slightly back in his seat. But accelerating from zero to 186,000 miles per second in five seconds will push Han back so forcefully that he’ll become a splat on that fine vinyl upholstery.

The speed of light is so fast, that to accelerate to it safely would take months! We measure acceleration in g’s, with one g equal to the acceleration caused by Earth’s gravity—the acceleration of falling objects on Earth. The reason we measure acceleration in terms of gravity is because the two have the same effect. The gravitational force on an object is equivalent to the inertial force on an object undergoing a comparable acceleration. Just as gravity pushes you down against the Earth, inertia pushes you back against your seat.

We experience higher or lower g forces when we are rapidly changing speeds or directions. Normal humans can withstand no more than 9 g’s, and even that for only a few seconds. When undergoing an acceleration of 9 g’s, your body feels nine times heavier than usual, blood rushes to the feet, and the heart can’t pump hard enough to bring this heavier blood to the brain. Your vision narrows to a tunnel, then goes black. If the acceleration doesn’t decrease, you will pass out and finally die. The Air Force’s F-16 can produce more g’s than the human body can survive. We’re forced to limit the acceleration of planes and spacecraft to a level humans can survive.

If we need to accelerate for extended periods, the level we can withstand is even lower. We can withstand 5 g’s for only two minutes, 3 g’s for only an hour. For the sake of argument, though, let’s try to tough it out at 3 g’s for a little longer. For Han to take off from Mos Eisley and accelerate at 3 g’s to half the speed of light would take him two and a half months—hardly the makings of an exciting movie. Even at 9 g’s, it would take him nineteen days to reach half the speed of light, though he’d be dead long before the ship reached that speed.

Since Star Wars ships are constantly undergoing rapid accelerations and decelerations, they must have found some way to solve this problem. Perhaps they have learned to manipulate inertia. Just eliminating it for a fraction of a second could allow a rapid, effortless acceleration, after which point inertia could return and the Falcon could cruise at a constant, high velocity.

Of course, the force that makes us stumble back as the subway car accelerates doesn’t seem completely conquered on the Falcon. In The Empire Strikes Back, the Falcon’s jump to hyperspace throws Artoo across the deck and into the open engine pit. Perhaps some of Han’s “special modifications” need a tune-up.

standard gravity-miles per hour per second conversion

standard gravity to miles per hour per second conversion

Conversion number between standard gravity [g 0 ] and miles per hour per second [mph/s] is 21.936851288475. This means, that standard gravity is bigger unit than miles per hour per second.

Enter the number in standard gravity :
[g 0 ] eg.: 10.12345 or 1.123e5 eg.: 10.12345 or 1.123e5
[g 0 ] eg. 1 whole and 2⁄3. Integers only, Denominator can not be zero! eg. 1 whole and 2⁄3. Integers only, Denominator can not be zero!

×10 [g 0 ] eg. 2.123 x 10-2. The power must be an integer. eg. 2.123 x 10. The power must be an integer.
[g 0 ] eg. 1+3.1*pi/4 (alowed operators: + – * / and pi constant) eg. 1+3.1*pi/4 (alowed operators:andconstant)

Result in miles per hour per second ?

precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: [!] Exponential:

Calculation process of conversion value

1 standard gravity = (exactly) `(9.80665) / (0.44704)` = 21.936851288475 miles per hour per second

`(9.80665) / (0.44704)` = miles per hour per second 1 miles per hour per second = (exactly) `(0.44704) / (9.80665)` = 0.045585393584965 standard gravity

`(0.44704) / (9.80665)` = standard gravity ? standard gravity × `(9.80665 (“m/s²”/”standard gravity”)) / (0.44704 (“m/s²”/”miles per hour per second”))` = ? miles per hour per second

High precision conversion If conversion between standard gravity to metres-per-second-squared and metres-per-second-squared to miles per hour per second is exactly definied, high precision conversion from standard gravity to miles per hour per second is enabled. Decimal places: (0-800) standard gravity

Result in miles per hour per second:

? standard gravityResult in

standard gravity to miles per hour per second conversion chart

Start value: [standard gravity] Step size [standard gravity] How many lines? (max 100)

standard gravity miles per hour per second 0 0 10 219.36851288475 20 438.73702576951 30 658.10553865426 40 877.47405153901 50 1096.8425644238 60 1316.2110773085 70 1535.5795901933 80 1754.948103078 90 1974.3166159628 100 2193.6851288475 110 2413.0536417323 visual:

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[standard gravity] [miles per hour per second] 0 0 10 219.36851288475 20 438.73702576951 30 658.10553865426 40 877.47405153901 50 1096.8425644238 60 1316.2110773085 70 1535.5795901933 80 1754.948103078 90 1974.3166159628 100 2193.6851288475 110 2413.0536417323

Multiple conversion

Enter numbers in standard gravity and click convert button.

One number per line.

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Converted numbers in miles per hour per second:

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21.936851288475 219.36851288475 2193.6851288475

Details about standard gravity and miles per hour per second units:

Standard gravity to other unit:

feet per hour per second feet per minute per second feet per second squared galileo inches per hour per second inches per minute per second inches per second squared kilometres per hour per second kilometres per minute per second kilometres per second squared knots per second metres per hour per second metres per minute per second metres per second squared miles per hour per second miles per minute per second miles per second squared standard gravity Convert Definition of standard gravity unit: ≡ 9.80665 m/s². The standard gravity (or standard acceleration of free fall) usually denoted by ɡ 0 is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as 9.80665 m/s²

Miles per hour per second to other unit:

feet per hour per second feet per minute per second feet per second squared galileo inches per hour per second inches per minute per second inches per second squared kilometres per hour per second kilometres per minute per second kilometres per second squared knots per second metres per hour per second metres per minute per second metres per second squared miles per minute per second miles per second squared standard gravity miles per hour per second Convert Definition of miles per hour per second unit: ≡ 1 mi/(h·s). Acceleration equivalent to change of 1 mph velocity in 1 second.

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