Two identical smooth spheres and move along the same straight line with speeds and…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Two identical smooth spheres

A

and

B

move along the same straight line with speeds

u

and

v

respectively (

u>v

) and collide perfectly elastically. Show that after the collision sphere

A

moves with speed

v

and sphere

B

with speed

u