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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Disc A of mass m collides with stationery disc B of mass 2 m as shown in the figure. Find the value of coefficient of restitution for which the two disc move in perpendicular direction after collision.

Disc A of mass m collides with stationery disc B of mass 2 m as shown in the figure. Find the value of coefficient of restitution for which the two disc move in perpendicular direction after collision.

Two identical balls A and B lie on a smooth horizontal surface which then takes up the curved path. What is the minimum coefficient of restitution