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