Question

PLEASEEE.... URGENT HELP NEEDED... Momentum and law of restitution problem??

Answer 1

I've spent the last two hours trying to get through this question. The signs, whether it is positive or negative REALLY confuse me... Please... Can somebody help me...

Answer 2

Please, please, please. I really need someone expert to help meee....

Answer 3

This is the answer key, but as I said, the signs really confuse me a lot...

Answer 4

if assume right is positive, then all direction to the right will be positive, left will be negative

Answer 5

After the collision occurs, how do I know if the objects move to the right or left?