AP Physics B
posted by Daisy .
A 2189 kg car moving east at 9.73 m/s collides with a 3285 kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 35.7◦ north of east and at a speed of 4.79 m/s.
What was the speed of the 3285 kg car
before the collision?
Answer in units of m/s