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What is the potential energy of a 20-kg safe sitting on a shelf 0.5 meters above the ground? O A. 98 J B. 10 J O C.
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Explanation:
P.E=MGH
Where m is mass
Where G is Acceleration Due to Gravity
Where h is Height
So the parameters are M = 20kg
G = 9.8m/s
H = 0.5meters
P.E= 20×9.8×0.5
=98J.
So Ans. is A= 98J