Question: When a spring is extended by 2 cm energy stored is 100 J. When extended by further 2 cm, the energy increases by
(A) 400 J
(B) 300 J
(C) 200 J
(D) 100 J
Answer: Option (B)
Solution:
When a spring is extended by 2 cm energy stored is 100 J. When extended by further 2 cm, the energy increases by
with
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