Objective question in Work, Energy & Power

A pump draws water from a tank and issues it from the end of a horse which is 2.5m vertically above the level from which the water is drawn. The cross sectional area of the hose is 10cm^{2}, and the water leaves the end of the hose at a speed of 5 m/s. What is the rate at which the pump is working? a) 100 W b) 185 W c) 96 W d) 200 W

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