Two objects are dropped from a bridge,an interval of 1.0 s apart.Neglect air.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 both objects are accelerating due to gravity at the same rate, but the second object starts its fall 1.0 s later, so the first object always has a head start, making the distance between them grow over time.

Two Objects Are Dropped from a Bridge,an Interval of 1