What is the g-force of a car stopping on a dime?

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  • #1
Loren Booda
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What is the g-force on a car, initially traveling at 55 mph, when stopping across the diameter of a dime?
 
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  • #2
convert mph to mps, find the acceleration from change in velocity, multiply by mass, divide by g.
 
  • #3
Find acceleration from change in velocity over given distance, that is.
 
  • #4
Would it not be appropriate to solve a system of equations, d=1/2 * a * t^2, d = 17.91 mm, and a * t = 55 mph?

Doing this I get about 16.9 kilometers / s^2, or 1721g.
 
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  • #5
[tex]a = \frac{v^2 - v_0^2}{2d}[/tex]

but [tex]v_0 = 0 [/tex] (in my ref frame : )

so

[tex]a = \frac{v^2}{2d}[/tex]

Of course, this assume constant acceleration...
 

What is meant by "car stopping on a dime"?

When a car is said to "stop on a dime," it means that it is able to come to a complete stop very quickly and in a very short distance, almost as if it were stopping on a dime coin.

What factors contribute to a car's ability to stop on a dime?

The main factors that contribute to a car's ability to stop on a dime are its braking system, tire traction, and weight distribution. A well-maintained and properly functioning braking system, good tire traction on the road, and a balanced weight distribution between the front and rear of the car all play a role in a car's stopping ability.

Can all cars stop on a dime?

No, not all cars are able to stop on a dime. Factors such as the car's weight, braking system, and tire traction all play a role in a car's stopping ability. Sports cars and high-performance vehicles tend to have better braking systems and lighter weights, making them more likely to stop on a dime compared to larger and heavier vehicles.

How is a car's stopping distance measured?

A car's stopping distance is measured by the distance it takes for the car to come to a complete stop after the brakes are applied. This distance is affected by factors such as the car's speed, weight, tire traction, and road conditions.

What safety precautions can be taken to improve a car's ability to stop on a dime?

To improve a car's ability to stop on a dime, it is important to regularly maintain the vehicle's braking system and tires. In addition, following safe driving practices such as keeping a safe distance from other vehicles and avoiding distracted driving can also help improve a car's stopping ability in emergency situations.

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