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A particle of mass 0.3 kg subject to a f...

A particle of mass 0.3 kg subject to a force `F=-kx` with `k=15N//m`. What will be its initial acceleration if it is released from a point 20cm away from the origin?

A

`5m//s`

B

`10m//s`

C

`3m//s`

D

`15m//s`

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The correct Answer is:
B
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