A spring with spring constant k when stretched through 1 cm, the poten – McqOptions

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1.	A spring with spring constant k when stretched through 1 cm, the potential energy is U. If it is stretched by 4 cm. The potential energy will be [Orissa PMT 2004]
A.	4U
B.	8U
C.	16 U
D.	2U
Answer» D. 2U

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