It is crash-test-dummy Ed's first day on the job. He (& his 50-kg mass) gets to try out the new 1,200-kg Porsche 911. He has to drive it into a brick wall.The Porsche & Ed are moving 30 m/s when they collide with the wall, with an impulse time of 0.5 s.
1. What is the magnitude of their initial momentum?
2. What is the magnitude of their final momentum?
3. What is the magnitude of the collisonimpulse?