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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?

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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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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User Alese
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1 Answer

5 votes
16 times as much work. The stopping distance would vary on whether or not the effeciency of the brake is changed.
answered
User Bronzehedwick
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8.4k points
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