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

Two bodies A and B of masses 1 and 4 kg respectively have equal linear momentum. The ratio of their kinetic energies is?

A
1:4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1:2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
4:1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
1:16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 4:1
Kinetic energy is given as E=12mv2
Momentum is given as P=mv
From the above two equations it can be written as E=12mP2P=2mE
P1P2=2m1E12m2E2
1=E14E2
4=E1E2
E1:E2=4:1

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
So You Think You Know Work?
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon