Question

Two balls of masses m and 2m are moving with uniform velocity 4v and v compare the force needed to stop them in same time
For help I gave the answer-2:1

Answer 1

Two ball

mass= m (m1) and 2m (m2)

velocity = 4v(v1) and v (v2)


$m1v1 = m2v2$
m×4v=2m×v
4vm=2mv

4vm/2mv
=2:1