Question #119603

A different derby car has a mass of 170 kg. If the car traveled across a 10 meter rough road before it came to a stop. How much work did the road do to stop the car? (Assume the car started with 13m/s)

Expert's answer

"W=KE=\\frac{mv^2}{2}=\\frac{170\\cdot 13^2}{2}=14365J"

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