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An automobile engine is 15 percent efficient. How many joules of input work are required to produce 15,000 joules of output work to move the car?
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An automobile engine is 15 percent efficient. How many joules of input work are required to produce 15,000 joules of output work to move the car?

User Seho Lee
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1 Answer

7 votes

15,000/15 * 100 = 1,000 * 100 = 100,000 joules.

So 100,000 joules of output work will be needed.

User Soroushjp
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