Question

2. A block of mass 3 kg undergoes a direct collision with
other block at rest. After collision the first block
continues to move in the same direction with half of its
initial velocity. Find the mass of second block.​

Answer 1

A body of mass 2kg makes an elastic collision with a second body at rest and continues to move in the original direction but with is one fourth of its original speed. What is the mass of the second body?