A tennis ball is dropped from rest at the exact same instant and height that a bullet is fired horizontally. Which hits the ground first (ignoring air resistance)?
A) The bullet hits first.
B) The ball hits first.
C) Both hit at the same time.

Question

Quizplus · Accepted Answer

Both the tennis ball and the bullet are subject to the same gravitational acceleration, and since they start from the same height, they will hit the ground at the same time, assuming air resistance is ignored. Horizontal motion does not affect the time it takes for an object to fall to the ground.

A Tennis Ball Is Dropped from Rest at the Exact