If a body has mass 2 kg and momentum 4 kg.m/s, then find its kinetic energy.

2 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

8 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

4 J

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

6 J

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 4 J
If m be the mass of the body and p be the momentum of the body, the kinetic energy of the body is
$K E = \frac{p^{2}}{2 m} = \frac{4^{2}}{2 (2)} = 4 J$

Suggest Corrections

Similar questions

A body having 5 kg mass is traveling with a certain velocity and has $10 k g m s^{- 1}$ momentum. What will be its kinetic energy?

10 k g

20 k g m s^{- 1}

A body having $5 k g$ mass is travelling with a certain velocity and has $10 k g m / s$ momentum. What is its kinetic energy?

The kinetic energy of a body of mass $0.5 k g$ and momentum $30 k g m s^{- 1}$ is ___ J.

Join BYJU'S Learning Program