November 25, 2015

Homework Help: college: physics

Posted by Anonymous on Monday, October 12, 2009 at 7:53pm.

A 4.00 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 16.0 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 102 W. How much time does it take to lift the piano?

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