2 Points
In an isolated system, two cars, each with a mass of 2,500 kg, collide. Car 1 is
initially at rest, while Car 2 was moving at 20 m/s. What is their speed after
the collision?
A. 5 m/s
B. 25 m/s
C. 10 m/s
D. 20 m/s
SUOMI