Science, asked by Here4Answers, 1 year ago

A book resting on a shelf that is 4.75 m high has 50 j of energy, what is the mass of the book?

Answers

Answered by yogii81
1
it's potential energy mgh = 50j
where h= 4.75m n g = 9.8 m/s^2
so m= 50/9.8×4.75 = 1.07 kg

Here4Answers: thanks
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