1.

An object of mass 14 kg is placed at a certain height from the ground. If the potential energy of the object is 560 J, then find the height of the object with reference to the ground. (take g = 10 ms-2)

A. 3 m
B. 4 m
C. 4.5 m
D. 5 m
Answer» C. 4.5 m


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