Question

A car of mass $600kg$ is moving with a speed of $10m{s}^{-1}$ while a scooter of mass $80kg$ is moving with a speed of $50m{s}^{-1}$. Compare their momentum.

• A. $2:3$
• B. $1:2$
• C. $3:1$
• D. $3:2$

Answer 1

The correct option is D $3:2$

As we know that momentum is nothing but product of mass and velocity. Let us substitute the given values.

Given that mass of the car as 600 kg and velocity as 10 m/sec.

Hence momentum of the car is $P=600\times 10=6000kgm/sec$.

We have mass of the scooter as 80 kg where as velocity is 50 m/sec.

Hence momentum is $P=80\times 50=4000kgm/sec$.

Therefore, momentum are in the ratio $3:2$.