A block slides down a smooth ramp, starting from rest at a height h. When it reaches the bottom it’s moving at speed ν. It then continues to slide up a second smooth ramp. At what height is its speed equal to ν/2?A. h/4       B. h/2        C. 3h/4        D. 2h

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Q: I need help with this homework problem.

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.