a 600 kg toy car moving at 3 m/s collides and hooks up with a 900 kg toy car at restand they move off together. What is their final velocity?

2 answers

Hint: Total linear momentum is conserved.

M1*Vinitial = (M1 + M2)*Vfinal

600*3 = 1500*Vfinal

Solve for Vfinal
smn x