You drop a stone from a bridge to the river below. After this stone has traveled a distance d, you drop a second stone. The distance between the two stones will always
A) increases.
B) decreases.
C) stays constant.
D) increases at first, but then stays constant.
E) decreases at first, but then stays constant.

Question

Quizplus · Accepted Answer

The first stone has been falling for a longer time and thus has a greater velocity than the second stone. As both stones accelerate at the same rate due to gravity, the distance between them will continue to increase.

You Drop a Stone from a Bridge to the River