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An engine is being used to raise a 95 kg crate vertically upward. If the power output of the engine is 1520 W, how long does it take the engine to

An engine is being used to raise a 95 kg crate vertically upward. If the power output of the engine is 1520 W, how long does it take the engine to lift the crate a vertical distance of 20 m? Friction in the system is negligible.

This question was asked on May 25, 2010.

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