Question: 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
(A) 4U
(B) 8U
(C) 16U
(D) 2U
Answer: Option (C)
Solution:
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
with
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