An object has a potential energy of 400 J with a mass of 20 kg and gra – McqOptions

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1.	An object has a potential energy of 400 J with a mass of 20 kg and gravity of 10 N kg-1. The height of the object is
A.	0.5 m
B.	4 m
C.	1 m
D.	2 m
Answer» E.

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