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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A heavy ball of mass 2M moving with a velocity v0 collides elastically head on with a cradle of three identical ball each of mass M as shown in figure. Determine the velocity of each ball after collision.

A heavy ball of mass 2M moving with a velocity v0 collides elastically head on with a cradle of three identical ball each of mass M as shown in figure. Determine the velocity of each ball after collision.

If two balls collide in air while moving vertically then linear momentum of the system is conserved because