Year: 2016
Topic: Work, Energy, and Power
Time :
1.
A body of mass 1 kg begins to move under the action of time dependent force \(\vec{F}\) = \(\left(2t\hat{i} + 3t^2\hat{j}\right)\) N , where \(\hat{i}\) and \(\hat{j}\) are unit vectors along x and y axis.What power will developed by the force at the time (t) ?