I figured out how to do the second one, but I still need help on the first one. I'm not sure what equation(s) I'm supposed to use. Pretty much clueless, actually..
Can anyone help me solve these questions on momentum and impulse? Thank you!
1. A 55 kg swimmer is standing on a stationary 235 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +5.3 m/s relative to the shore. Find the recoil velocity that the raft would...