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When the leads of an impact wrench are connected to a 12.0 V auto battery, a...

When the leads of an impact wrench are connected to a 12.0 V auto battery, a current of 15 A flows. Calculate the power required to operate the wrench. If 75percent of the power required by the wrench is delivered to the socket, how much energy in joules is produced per impact if there are 1 100 impacts per minute?

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