Question

Can anyone help on #18? Linear momentum problem... I think the answer is B but I need some reasoning to back it up. Any help appreciated!

Answer 1

Is it incomplete question?

Answer 2

There should've been an attachment with the post. Did it not go through?

Answer 3

No

Answer 4

Let me try to attach it again:

Answer 5

I think the momentum of m mass is negative b4 collision
Right?

Answer 6

Yes, because it's traveling to the left.

Answer 7

Ok. Good

Answer 8

Wt do u think abt the velocity of mass m after collision?

Answer 9

Anyway mass 2m is greater than mass m.
Right?