Posted by **Melissa** on Thursday, October 7, 2010 at 9:57am.

Water flows (v = approx 0) over a dam at the rate of 660 kg/s and falls vertically 86 m before striking the turbine blades. Calculate the rate at which mechanical energy is transferred to the turbine blades, assuming 53% efficiency.

Express your answer using two significant figures. P = W ??

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