An object moving with kinetic energy $K E = 100 J$ and momentum $p = 50 k g m / s$ . Find out the mass of the moving object?

2 k g

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

4 k g

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

6.25 k g

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

12.5 k g

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

25 k g

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

Open in App

Solution

The correct option is E $12.5 k g$
Kinetic energy $K E = \frac{1}{2} m v^{2}$ and momentum $p = m v$
$⟹$ $K E = \frac{p^{2}}{2 m}$

$∴$ $100 = \frac{50^{2}}{2 m}$ $⟹ m = 12.5$ $k g$

Suggest Corrections

Similar questions

s^{- 1}

m_{1} = 4 k g

5^i m / s

m_{2} = 2 k g

10^i m / s

8 k g

2 k g

K E

Join BYJU'S Learning Program