Question

two bodies A and B of same masses are moving with speed 5 m/s and 20 m/s. find ratio of their momentum.

Answer 1

a) Since inertia is a measure of mass which is same for both bodies, so the ratio of inertia for two bodies will be 11

(b) Momentum

P=m×v

P1=m×v=mv

P2=m×3v

P2P1=3mvmv=31

(c) Force

F×T=Momentum

F=TMomentum

F1=11

F2=13

F2F1=31