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18-03-2022
Physics

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A ball weighted 20 Newton's rolls 20 meters in a straight line on a level surface. What is its change in potential energy?

A. 0 J

B. 1 J

C. 40 J

D. 400 J

A ball weighted 20 Newtons rolls 20 meters in a straight line on a level surface What is its change in potential energyA 0 J B 1 J C 40 J D 400 J class=

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Аноним Аноним

18-03-2022

Change in potential energy=Workdone .

[tex]\\ \rm\Rrightarrow Work\:done=Force(Distance)[/tex]

[tex]\\ \rm\Rrightarrow Work\:done=20(20)=400J[/tex]

Option D

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