Questions  

Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost of the colliding body A is :

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
ctaimg
a
4/9
b
5/9
c
1/9
d
8/9
NEW

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is D

Fractional loss of KE of the colliding body  A: 
KEKE=4m1m2m1+m22=44m2m4m+2m2=32m236m2=89


ctaimg

Want to Improve your productivity
talk to our academic experts now !!

counselling
india
+91

whats app icon