Question

1. A body of mass 1 kg undergoes elastic collision
with another body at rest and continues to move in
the original direction with 1/
4th of its initial
velocity. Mass of the other body is
(a) 0.4 kg
(b) 0.6 kg
(c) 0.8 kg
(d) 1.2 kg​

Answer 1

Answer:

a because 1/4th is the intial velocity