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A book had 250 J of potential energy when it is on a shelf that is 4.2 m high. What is the mass of the book?
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A book had 250 J of potential energy when it is on a shelf that is 4.2 m high. What is the mass of the book?

User Igon
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I think the mass of the book would be 20 I’m juss doin this for points
User Talha Ashraf
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