A body of mass 1 kg begins to move under the action of a time dependent force F^{\to}=(2ti^{∧}+3t^2j^{∧})N, when i^{∧} and j^{∧} are unit vectors along x and y axis. What power will be developed by the force at the time t ? [NEET 2016 P1]

NEET 2016 Physics and Chemistry Paper 1

Question : 38 of 90

Marks: +1, -0

A body of mass 1 kg begins to move under the action of a time dependent force

→

=(2t

∧

+3t2

∧

)N, when

∧

and

∧

are unit vectors along x and y axis. What power will be developed by the force at the time t ?

[NEET 2016 P1]

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