10.0k views
23 votes
a 1200 kg car moving at 15.6 m/s collides with a stationary 1500kg car what is the velocity after the impact

User FistOfFury
by
5.1k points

1 Answer

8 votes
Momentum before collision = momentum after collision
McVc=(Mc+Mb)V
1200*15.6=(1200+1500)*V
18720=2700*V
V=18720/2700
V=6.9m/s
User Gaffcz
by
4.1k points