Questions in Work, Energy and Power

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	An object of mass 3m splits into three equal fragments. Two fragments have velocities $v\hat j$ and $v\hat i$. The velocity of the third fragment is
	A bomb is kept stationary at a point. It suddenly explodes into two fragments of masses 1 g and $3\;g$. The total K.E. of the fragments is $6.4 \times {10^4}J$. What is the K.E. of the smaller fragment
	Which among the following, is a form of energy
	A body is moving with a velocity v, breaks up into two equal parts. One of the part retraces back with velocity v. Then the velocity of the other part is
	If a shell fired from a cannon, explodes in mid air, then
	A particle of mass m moving with velocity ${V_0}$strikes a simple pendulum of mass $m$and sticks to it. The maximum height attained by the pendulum will be
	Masses of two substances are 1 g and 9 g respectively. If their kinetic energies are same, then the ratio of their momentum will be
	A body of mass 5 kg is moving with a momentum of 10 kg-m/s. A force of 0.2 N acts on it in the direction of motion of the body for 10 seconds. The increase in its kinetic energy is
	If the momentum of a body increases by 0.01%, its kinetic energy will increase by
	1 a.m.u. is equivalent to