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20 November, 12:50

A river does 6500 J of work on a water wheel every second. The wheels efficiency is 12%

A. How much worked in joules can the axle of the wheel do?

B. What is the power output of the wheel in 1s?

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  1. 20 November, 14:07
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    The power output is 6500 J - (12% of 6500 J)

    = 5460 J.

    Is the first question complete? Because the work done by the river would be equal to work done by the axle of the wheel.
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