A 1.92 kg cart and a 3.7 kg cart both slide toward each other at 1.34 m/s on an air track. They collide and stick. The combined mass moves at what speed in m/s
conservation of momentum
1.92*1.34+3.7(-1.34)=(1.92+3.7)V
solve for V
1.92*1.34+3.7(-1.34)=(1.92+3.7)V
solve for V