Compared to some original speed, how much work must the brakes of a car supply to stop a car moving four times as fast? How will the stopping distance compare?

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asked Apr 7, 2019 145k views

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Compared to some original speed, how much work must the brakes of a car supply to stop a car moving four times as fast? How will the stopping distance compare?

Physics
middle-school

Alese asked

by Alese

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16 times as much work. The stopping distance would vary on whether or not the effeciency of the brake is changed.

Bronzehedwick answered Apr 13, 2019

by Bronzehedwick

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