176k views
3 votes
When object A collides with object B and bounces back, its final momentum is ____ its initial momentum.

1 Answer

2 votes
There's no way to say anything at all about object-A.
The only thing we know is that the SUM of the momenta
of object-A AND object-B is the same after the encounter
as it was before.
User Long Tran
by
8.3k points