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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two blocks of masses m and 2 m are connected by an ideal spring . the system is placed on smooth horizontal surface. The blocks are giiven impluse so that the blocks start moving as shown in figure. In this blocks system , find the (a) KE of centre of mass (b) KE of system w.r.t. centre of mass

Two blocks of masses m and 2 m are connected by an ideal spring . the system is placed on smooth horizontal surface. The blocks are giiven impluse so that the blocks start moving as shown in figure. In this blocks system , find the (a) KE of centre of mass (b) KE of system w.r.t. centre of mass

but afterward you have some momentum. Is the principle of conservation of momentum violated in this case ? You are standing perfectly still and then you take a step forward. Before the step your momentum was zero