Two cars travel along a level highway. It is observed that the distance between the cars is increasing. Which one of the following statements concerning this situation is necessarily true?
A)The velocity of each car is increasing.
B)At least one of the cars has a non-zero acceleration.
C)The leading car has the greater acceleration.
D)The trailing car has the smaller acceleration.
E)Both cars could be accelerating at the same rate.

Question

Quizplus · Accepted Answer

Both cars could be accelerating at the same rate, but if they started with different velocities, the distance between them could still increase.

Two Cars Travel Along a Level Highway