Two equal masses `m_1` and `m_2` moving along the same straight line with velocites `+3 m//s` and `- 5 m//s` respectively collide elastically. Their velocities after the collision will be respectively.

Two perfectly elastic particles A and B of equal masses travelling along a line joining them with velocities 15 m//s and 10m//s respectively collide. Their velocities after the elastic collision will be (in m/s) respectively

Two elastic bodies P and Q having equal mases are moving along the same line with velocities of 16 m/s and 10 m/s respectively. Their velocities after the elastic collision will be in m/s :

Two identical balls A and B having velocity of 0.5 m//s and -0.3 m//s respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be

Two identiacal balls A and B having velocities of 0.5 m/s and 0.3" m"//"s" respectively collide elastically in one dimension. The velocities of B and A after the collision respectively will be

A ball of mass 10 kg is moving with a velocity of 10 m / s . It strikes another ball of mass 5 kg which is moving in the same direction with a velocity of 4 m / s . If the collision is elastic, their velocities after the collision will be, respectively

A railway carriage of mass 10g and 200g are moving along the same line in the same direction with velocities of 2m//s and 1m//s respectively. They collide and after the collison, the first object moves with a velocity of 1.67m//s in the same direction. Determine the velocity of the second object.

Two identical balls are approaching towards each other on a straight line with velocity 2m//s and 4m//s , respectiely. Find the final velocities after elastic collision between them.