Review of Momentum and Impulse (part II)

[@DavidLiuViolin]

Viren: ok go ahead and pause
Me: Doesn't pause*
Viren: ok we're back...

[@Dropstats]

You deserve way more views man keep up the amazing work!

[@qlrqodrocks]

If you do the tip to tail method for the direction of the net force, is the direction of the net force not vertically downward?

[@AdmatHakodesh]

he immediately realizes he made a mistake.
I also realize I made a mistake immediately... after the test...

[@ibu433]

first Thank you a lot!
second i don't get why p in y direction couldn't equal p' :/
even in the x direction f net is not zero after the collision

[@EswarAnandapadmanaban]

at about 1 minute, you made a mistake. It should be -mv-mv not mv-mv.