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Force constants of two ideal springs S₁ and S₂ are in the ratio 3 : 2. They are stretched by the same lengths separately. If the potential energy stored in first spring S₁ is 10 J, then the potential energy stored in the spring S₂ is:
A
10 J
B
20/3 J
C
10/3 J
D
3/2 J
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