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A particle of mass m initially at rest. ...

A particle of mass m initially at rest. A variabl force acts on the particle `f=kx^(2)` where k is a constant and x is the displacment. Find the work done by the force f when the speed of particles is v.

A

`1/2kx^(2)`

B

`1/2kv^(2)`

C

`1/2mv^(2)`

D

`2mv^(2)`

Text Solution

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The correct Answer is:
C
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