The driver of an 1800 kg car travelling at 23 ms slams on, Ask an Expert

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Q. The driver of an 1800 kg car travelling at 23 m/s slams on the brakes, locking the wheels on the dry pavement. The coefficient of kinetic friction between rubber and dry concrete is typically 0.700.

1) Use the work-energy theorem to compute how far the car would travel before stopping.

2) How far would the car travel if it were going twice as fast?

3) What happened to the car's original kinetic energy?

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Category:- Physics
Reference No.:- M9356111

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