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Questions  

The potential energy of a particle executing S.H.M. is 2.5 J, when its displacement is half of amplitude. The total energy of the particle be

a
18 J
b
10 J
c
12 J
d
2.5 J

detailed solution

Correct option is B

Potential energy (U)Total energy (E)=12mω2y212mω2a2=y2a2So 2.5E=a22a2 ⇒E=10J

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