A blue and a green billiard ball, each with a mass of 0.15 kg, collide directly. Before the collision, the blue ball had a speed of 3 m/s while the green ball had a speed of 2 m/s. After the collision, the blue ball stays in place while the green ball continues in motion.

Question

A blue and a green billiard ball, each with a mass of 0.15 kg, collide directly. Before the collision, the blue ball had a speed of 3 m/s while the green ball had a speed of 2 m/s. After the collision, the blue ball stays in place while the green ball continues in motion.

In 3-4 sentences, represent the situation before and after the collision and calculate the speed of the green ball after the collision. Be sure to discuss direction.

(4 points)
And write like a fifth grader

Answer 1

Before the collision, the blue ball was going fast at 3 meters per second and the green ball was going slower at 2 meters per second. They hit each other and after the collision, the blue ball stops moving but the green ball keeps on rolling. We need to find out how fast the green ball is going after the collision.