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A popular sledding hill has an angle of 300 to the horizontal and has a vertical drop of 25 m. If a slider begins from

A popular sledding hill has an angle of 300 to the horizontal and has a vertical drop of 25 m. If a slider begins from the rest and is travelling at 20 m/s as they reach the bottom of the hill, what is the coefficient of kinetic friction between the sled and snow? (Use g = 10m/s2)

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