3. Two spheres of masses 20 g and 40 g moving in a straight line in the same direction with velocities of 3 They collide with each other and after the collision, the sphere of mass 20 g moves with a velocity of 2.5 second ball after collision .travelled m/s by the and 2 m/s respectively. m/s . Find the velocity of the second ball after collision.

3. Two spheres of masses 20 g and 40 g moving in a straight line in th

1.	3. Two spheres of masses 20 g and 40 g moving in a straight line in the same direction with velocities of 3 They collide with each other and after the collision, the sphere of mass 20 g moves with a velocity of 2.5 second ball after collision .travelled m/s by the and 2 m/s respectively. m/s . Find the velocity of the second ball after collision.
Answer» The velocity of an OBJECT is the rate of change of its position with respect to a frame of REFERENCE,and is a function of TIME. Velocity is a physical VECTOR quantity; both magnitude and direction are needed to define it...

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