A bullet of mass `m` moving with velocity `u` on smooth surface strikes a block of mass `M` kept at rest. The collision is completely inelastic. Find the common velocity and the fractional loss in kinetic energy.

A ball of mass m moving with speed v_(0) strikes a block of mass 3 m kept at rest. The collision is completely inelastic . If k is spring constant , the maximum compression of the spring is

A bullet of mass m moving with velocity v strikes a block of mass M at rest and gets embedded into it. The kinetic energy of the composite block will be

A bullet of mass m moving with velocity v strikes a block of mass M at rest and gets embedded into it. The kinetic energy of the composite block will be

A bullet of mass 20 g moving horizontally strikes a block of mass 480 g suspended by a string of length 2 m . If the collision is completely inelastic , the minimum velocity of bullet , so that the combined mass complete vertical circle should be

A 50 g bullet moving with velocity 10 m / s strikes a block of mass 950 g at rest and gets embedded in it. The loss in kinetic energy will be

A ball of mass 100g moving at a speed of 12 m s^(-1) strikes another ball of mass 200 g at rest. After the collision both the balls move with a common velocity. Find the common velocity.

A particle of mass m moving with some velocity on a smooth surface strikes another particle of mass eta m at rest , elasticity head - on. What fraction of incident K.E. is transferred to the particle of mass eta m .