Kinetic friction between the car and the ground

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A boy, initially at rest, rides his derby car down a hill for 3.0 s, and reaches a final speed of 20 km/h at the bottom of the hill. The car continues to travel horizontally at the bottom of the hill until coming to rest. The coefficient of kinetic friction between the car and the ground at the bottom of the hill is measured to be 0.05. If the boy and the car have a combined mass of 63.0 kg, how far did he travel from the top of hill until he came to a complete stop?

Reference no: EM132762240

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