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A body has PE of 250 J. What is work done against gravity if body is at a height of 12 m???PLZ SOLVE IT
karnrndg:
No it does not help me i think i never understand numericals like this sorry as you did many efforts for me but i didnot understand it properly but plz now no explanation i will ask to my teacher or i will try another by forgetting it once again sorry
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Answers
Answered by
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Potential energy = 250 J
Height = 12 m
Work done = ?
As we know that:
Work = Mass * Gravity * Height
Work = 250 * 9.8 * 12
Work = 29400 J
Hence, the work done against gravity is 29400 J.
i hope it helps you friend
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Answered by
0
Friend plz ans me mass of body is in kilogram not in joule nd then why you taken potential energy as mass
because
Say plz
see i have give u ans
in potential state we always stable that is pe is equal to mass
if ans is correct please mark as brain list
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