Question: A long spring is stretched by 2 cm and its potential energy is U. If the spring is stretched by 10 cm; its potential energy will be
(A) U/5
(B) U/25
(C) 5 U
(D) 25 U
Answer: Option (D)
Solution:
A long spring is stretched by 2 cm and its potential energy is U. If the spring is stretched by 10 cm; its potential energy will be
with
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