danielamayra201 danielamayra201
  • 23-01-2018
  • Physics
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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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HenryLCH
HenryLCH HenryLCH
  • 23-01-2018
mass of this book is 1 kg.
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