Coefficient of friction between the cars and the road

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A 2250 kg car traveling at 10 m/s collides with a 2750 kg car that is initially at rest at a stop light. The cars stick together and move 2.5 meters before coming to a stop. What is the coefficient of friction between the cars and the road?

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Coefficient of friction between the cars and the road : A 2250 kg car traveling at 10 m/s collides with a 2750 kg car that is initially at rest at a stop light. The cars stick together and move 2.5 meters before coming to a stop. What is the coefficient of friction between the cars and the road?
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