B and C are kept in a straight line on a smooth horizontal surface. These have masses m

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Three objects A ,B and C are kept in a straight line on a smooth horizontal surface. These have masses m, 2m and 3m , respectively . The head – on elastic collision takes place between A and B and then B makes completely inelastic collision with C. All motions occur on the same straight line. The final speed of C will be
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Oct
Three objects A ,B and C are kept in a straight line on a smooth horizontal surface. These have masses m, 2m and 3m , respectively . The head – on elastic collision takes place between A and B and then B makes completely inelastic collision with C. All motions occur on the same straight [...]
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Tags: 2m and 3m , A neutron collides head-on and elasticity with an atom of mass number A , B and C are kept in a straight line on a smooth horizontal surface. These have masses m , Three objects A , which is initially at rest. The fraction of kinetic energy retained by neutron is ,