A body of mass 1 kg begins to move under the action of a time dependent force F 2ti 3t j N where and are unit vectors along x

Question

A body of mass 1 kg begins to move under the action of a time dependent force F 2ti 3t j N where and are unit vectors along x and y axis What power will be developed by the force at the time t NEET 2016 1 2 3t5 W 3 21 2 444 W 2 2 2 3f 2 W 4 213 34 W

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