Question

Two 110 kg bumper cars are moving toward each other in opposite directions. Car A is moving at 8 m/s and Car Z at −10 m/s when they collide head–on. If the resulting velocity of Car A after the collision is −10 m/s, what is the velocity of Car Z after the collision? (2 points)
−10 m/s
−8 m/s
8 m/s
10 m/s

Answer 1

Im not very sure what the answer is

Answer 2

Thank you!