Question

A particle A, of mass 6 kg, travelling
in a straight line at 5 ms- collides with a
particle B, of mass 4 kg, travelling in the
same straight line, but in the opposite
direction, with a speed of 3 ms-1. Given
that after the collision particle A continues
to move in the same direction at 1.5 ms-1
what speed does particle B move with
after the collision?​

Answer 1

Answer:

pls answer the question I am not getting