Questions
Force acting on a particle moving in a straight line varies with the velocity of the particle as F = K/v, where K is a constant. The work done by this force in time t is
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Correct option is C
Fv= K mdvdtv=K m dv v=Kdt on intregation mv22=Kt 12mv2= change in kinetic energy = work doneSimilar Questions
A body of mass 3 kg is under a force which causes a displacement in it, given by s =t2 / 3 (in m). Find the work done by the force in 2 second
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