6. car a runs a red light and broadsides car b, which is waiting
aled light and broadsides car b, which is waiting to make a left turn. car a has a mass
of 2,000 kg. car b has a mass of 1,500 kg. after the impact, the cars
as a mass of 1,500 kg. after the impact, the cars stick together and slide away at
a speed of 9.1m/s. how fast was car a going
5. how fast was car a going when it hit car b? show your work. 9 points)