In which of the following cases the potential energy of an elastic rub

1.	In which of the following cases the potential energy of an elastic rubber band is minimum?
A.	When it is compressed.
B.	When it is extended.
C.	When it is at its natural length.
D.	When it is at its natural length but is kept at a height h above the ground.
E.	None of these
Answer» D. When it is at its natural length but is kept at a height h above the ground.

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In which of the following cases the potential energy of an elastic rubber band is minimum?

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