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A book on a 2 meter high shelf has 20 Joules of potential energy. what is the mass of this book ?
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A book on a 2 meter high shelf has 20 Joules of potential energy.

what is the mass of this book ?

User Kop
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mass of this book is 1 kg.
A book on a 2 meter high shelf has 20 Joules of potential energy. what is the mass-example-1
User Manthan
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