Question:

Energy physics question?

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An elevator does 9.75 x 10^4 J of work on a person riding up to another floor. How much energy does the person gain?

A. 0 J

B. 9.94 x 10^3 J

C. 9.75 x 10^4 J

D. 9.56 x 10^5 J

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  1. He gains an amount of energy equal to the amount of work done on him by the elevator.

    So which of the choices is equal to 9.75 x 10^4 J? (hint: B)

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