Physics, 26.11.2021 14:00 luzinaustin
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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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 pot...
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