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A body of mass 2kg begins to move under ...

A body of mass `2kg` begins to move under the action of a time dependent force given by `vec F=(6t hat i+6t^(2) hat j)N` .The power developed by the force at the time `t` is given by:

A

`(3t^(3)+6t^(5))W`

B

`(9t^(3)+6t^(5))W`

C

`(6t^(4)+9t^(5))W`

D

`(9t^(5)+6t^(3))W`

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