Bumper cars A and B each have a mass of 100 kg. Bumper car A collides ealstically with bumper car B, which is at rest. After the Collision, the velocity of car A is 0.8 m/s 30degress north of east and car B is 0.6 m/s 60degrees south of east. 1 Find the Velocity of car A before the collision? 2. How would the problem change in the collision were inelastic? can sum1 please tell me where to even begin here, im completely lost.