Answer
The correct answer is:
(a) Both balls hit the ground at the same time, but the red ball has a higher speed just before it strikes the ground.
Work Step by Step
The correct answer is:
(a) Both balls hit the ground at the same time, but the red ball has a higher speed just before it strikes the ground.
Because the vertical component of the initial velocity is zero for both balls, both balls will land at the same instant with the same vertical component of velocity. However, since the horizontal component of the red ball's velocity is non-zero while the horizontal component of the blue ball's velocity is zero, the red ball will have a higher speed.