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A bomb at rest explodes into a big number of tiny fragments. The total momentum of all the fragments
A bomb, initially at rest, explodes into a large number of tiny fragments. The total momentum of all the fragments
A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls
A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance
A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is
A bullet of mass m & velocity a is fired in to a big block of wood of mass M. The final velocity of the system is
A capacitor (condenser) is used in an electrical circuit in order to
A capillary tube is kept vertical in a beaker containing liquid. The height to which the liquid rises by capillary action is increased if
A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s^2) is:
A car and lorry are both moving with equal kinetic energy. If equal breaking force is applied on both, then before coming to rest the
