Asked by Anonymous
How many joules of potential energy does a 1.2-kg book gain when it is elevated 4.0 ?
Express your answer to two significant figures and include the appropriate units.
Express your answer to two significant figures and include the appropriate units.
Answers
Answered by
Henry
PE = F*h = mg*h = 1.2*9.8 * 4 = 47.04 J.
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