Question

Two particles of equal mass are moving along the same straight line with the same speed in opp direction what is the speed of the centre of mass of the system

Answer 1

0
centre of mass positions doesn't change because of same mad and speed then speed of centre of mass speed also 0

Answer 2

Answer:

let the speed of particle be v and mass m of the particle be m

v = mv + mv/2m

v = 2mv/2m

v = v

hope it helps u