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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two blocks A and B of mass m and 2 m respectively are connected by a light spring of force constant K. They are placed on a smooth horizontal surface . spring is stretched by a length x and then released. Find the releative velocity of the blocks when the spring comes to its natural length.

Two blocks A and B of mass m and 2 m respectively are connected by a light spring of force constant K. They are placed on a smooth horizontal surface . spring is stretched by a length x and then released. Find the releative velocity of the blocks when the spring comes to its natural length.

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