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The rate of doing work by force acting o...

The rate of doing work by force acting on a particle moving along x-axis depends on position x of particle and is equal to 2x. The velocity of particle is given by expression :-

A

`[(3x^(2))/(m)]^(1//3)`

B

`[(3x^(2))/(2m)]^(1//3)`

C

`((2mx)/(9))^(1//2)`

D

`[(mx^(2))/(3)]^(1//2)`

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The correct Answer is:
A
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