wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Two identical balls moving in opposite direction with speeds 20 m/s and 25 m/s undergo head on perfectly inelastic collision. The speed of combined mass after collision is :

A
20 m/s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
22.5 m/s
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
25 m/s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2.5 m/s
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 22.5 m/s
By conservation of momentum
m(20)+m(25)=2mv
v=22.5m/s

flag
Suggest Corrections
thumbs-up
4
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Conservation of Momentum
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon