A bag P (mass M) hangs by a long thread and a bullet (mass M) comes...

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A bag P (mass M) hangs by a long thread and a bullet (mass M) comes horizontally with velocity v and gets caught in the bag. Then for the combined (beg + bullet) system the (a) Momentum is mvM M +m (b) Kinetic energy (c) Momentum is mv² 2 mv (M + m) M (d) Kinetic energy is m²V² 2(M + m) A bag P (mass M) hangs by a long thread and a bullet (mass M) comes horizontally with velocity v and gets caught in the bag. Then for the combined (beg + bullet) system the (a) Momentum is mvM M +m (b) Kinetic energy (c) Momentum is mv² 2 mv (M + m) M (d) Kinetic energy is m²V² 2(M + m)