Calculate the average friction force acting on him

Reference no: EM13340591

A 60.0kg skier starts out at the top of a hill from rest and does 2000J of work with his poles while skiing down 2000m to the base 90.0km lower than the top. If he arrives at the bottom doing 25.0m/s, calculate the average friction force acting on him during the descent.

Reference no: EM13340591

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