Physics, asked by mewkkjwkjew, 3 months ago

You have to lift a mass to a higher location so that the mass gains 800 J of gravitational potential energy. You use an electric motor that requires 850J of energy to lift the mass. What is its efficiency?

A) 94.1%
B) 95%
C) 90%

Answers

Answered by Anonymous

7

ur answer is 95%

hope it helps

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