From the edge of a roof top you toss a green ball upwards with initial speed v₀ and a blue ball downwards with the same initial speed.Air resistance is negligible.When they reach the ground below A)the green ball will be moving faster than the blue ball. B)the blue ball will be moving faster than the green ball. C)the two balls will have the same speed.

Question

Quizplus · Accepted Answer

Gravity causes both the green and blue ball to accelerate downwards at the same rate (assuming no air resistance), which means they will have the same final velocity when they hit the ground. The direction of their velocity will be different, but their magnitude will be the same. Therefore, choice C is the best answer.

From the Edge of a Roof Top You Toss a Green