Question

Object A has 18 J potential energy when it rests on a shelf of 2m above the ground. Object B has a mass two times the mass of object A and sits on a 4m shelf.what is the potential energy of object B?

A. 36J
B. 144 J
C. 72 J
D. Not enough information

Answer 1

Answer:

C options hoga 72 j answer

Answer 2

Answer:

B) 144 J

Explanation:

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