What power is being expended by the boy

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Reference no: EM13542637

A boy pulls his brother on a sled horizontally across all snow-covered field. The coefficient of friction between the snow and the sled is 0.24. The total load of the sled and passengers 70 kg. If the sled is moving at speed of 2.7 m/s, what power is being expended by the boy?

Reference no: EM13542637

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