Respuesta :

Answer: 48.08 watts

Explanation:

power needed = ?

Work done = 462 joules

Time taken = 9.61 seconds

Recall that power is the rate of energy expended or workdone per unit time. i.e Power = Workdone / Time

Power = 462 joules / 9.61 seconds

Power = 48.08 watts

Thus, 48.08 watts of power is needed to the work.

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