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3 years, 5 months ago

What is the acceleration rate in mph of an average size car in free fall?

I over heard someone saying "The only way to increase that cars 0-60 is to push it off a cliff" today, and I am curious to know what it is. It has been a long time since I last took a physics class and I can't work it out for myself.
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teff torbes's Avatar
teff torbes | 3 years, 5 months ago
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2.73 seconds.

Gravity will accelerate the car at 9.8 meters/second, bringing it to ~26.8 meters/second (IE, 60mph) in approximately 2.73 seconds.

Some cars, of course, can accelerate faster than gravity will pull them downwards (in a straight line) - but it takes a tremendous amount of power to do so See the Bugatti Veyron as an example. :D

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disleksic | 3 years, 5 months ago Report

thanks :)

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williamwaco | 3 years, 5 months ago
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Approximately 2.75 seconds.
And By the way it doesn't make any difference how large or small the car is.

The same answer applies for a marble as for a bowling ball.

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disleksic | 3 years, 5 months ago Report

thanks :)

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answerman | 3 years, 5 months ago
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60 mph = 88 ft/s

Gravity accelerates no faster than 32 f/s, so

that'd be no faster than 2.75 seconds. Different size cars don't necessarily matter, but less aerodynamic cars would fall more slowly.

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