fatimaghazale435 fatimaghazale435

26-11-2021
Physics

contestada

d) A 2-kg book is held 1 m above the floor is for 10s. The work done on the book is zero and its potential energy is 20 J. Is it true or false?

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shahdabdalfattah2006 shahdabdalfattah2006

26-11-2021

Ep=mgh
Ep=2x9.8x1 = 19.6J

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