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The total mechanicla energy of a spring ...

The total mechanicla energy of a spring mass sytem in simple harmonic motion is `E=1/2momega^2 A^2`. Suppose the oscillating particle is replaced by another particle of double the mass while the amplitude `A` remains the same. The new mechanical energy will

A

`sqrt(2)E`

B

`2E`

C

`E//2`

D

`E`

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The correct Answer is:
D
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