A truck is moving at constant velocity. Inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. The rock hits the floor
A)exactly below the midpoint of the ceiling.
B)ahead of the midpoint of the ceiling.
C)behind the midpoint of the ceiling.
D)more information needed to solve this problem
E)none of the above

Question

Quizplus · Accepted Answer

Since the truck is moving at a constant velocity, both the truck and the rock inside it share the same horizontal velocity. When the rock is dropped, it retains this horizontal velocity, ensuring it hits the floor directly below the midpoint of the ceiling.

A Truck Is Moving at Constant Velocity