Two objects are dropped from a bridge, an interval of 1.0 s apart. During the time that both objects continue to fall, their separation
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 separation between the two objects increases because the first object has been falling for a longer time and thus has a greater velocity than the second object. As both objects accelerate due to gravity, the distance between them continues to grow.

Two Objects Are Dropped from a Bridge, an Interval of 1.0