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A particle of mass m is subjected to a f...

A particle of mass m is subjected to a force `vec(F) = F_0 [cos(t)hati + sin(t)hatj]`. If initially (t=0) the particle was at rest, the kinetic energy particle as a function of time is given by:

A

`(F_0^2)/(m)[1 - cos (2t)]`

B

`(F_0^2)/m [1 - cos t]`

C

`(F_0^2)/(m) sin (t)`

D

`(F_0^2)/m t`

Text Solution

Verified by Experts

The correct Answer is:
B
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