First slide
Collisions
Question

Two bodies having same mass 40 kg are moving in opposite directions, one with a velocity of 10 m/s and the other with 7 m/s If they collide and move as one body, the velocity of the combination is (m/s)

Moderate
Solution

By the conservation of momentum

40×10+(40)×(7)=80×vv=1.5m/s

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App