Power is defined as the rate of doing work. The S.I unit of power is watt (W).
Question
Define the term power. State its S.I. unit.
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Power is defined as the rate of doing work. The S.I unit of power is watt (W).
(a) Calculate the change in the gravitational potential energy of the skier between A and B. (b) If 75% of the energy in part (a) becomes the kinetic energy at B, calculate the speed at which the skier arrives at B.(Take g = 10 ms-2).