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A force F = Ay^(2)+By+C acts on a body a...

A force `F = Ay^(2)+By+C` acts on a body at rest in the `Y`-direction. The kinetic energy of the body during a displacement `y = -a` to `y = a` is

A

`(2Aa^(3))/(3)`

B

`(2Aa^(3))/(3)+2Ca`

C

`(2Aa^(3))/(3)+(Ba^(2))/(2)+Ca`

D

None of these

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The correct Answer is:
B
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