Question

Two bodies have masses in the ratio 2:5 and possess equal momentum. What is the ratio of their velocities?

Answer 1

Let, p1 and p2 be two momenta where, p1=p2
or p1/p2 = 1

=> p1/p2 = m1v1/m2v2
p1/p2 = (m1/m2) × (v1/v2)
1 = (2/5) × v1/v2

Thus, v1:v2 = 5:3



hope it helps ........