Class 11 NEET Physics Work, Energy and Power Questions

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Question : 26 of 91
 
Marks: +1, -0
A body of mass 1 kg begins to move under the action of a time dependent force
→
F
=(2t
∧
i
+3t2
∧
j
)
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]
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