Chapter 2, Problem 10MCP

A cat runs in a straight line. Figure 2.39 shows a graph of the cat’s position as a function of time. Which of the following statements about the cat’s motion must be true? (There may be more than one correct choice.)

Figure 2.39

Multiple-Choice Problem 10.

1. A.    At point c, the cat has returned to the place where it started.
2. B.     The cat’s speed is zero at points a and c.
3. C.     The cat’s velocity is zero at point b.
4. D.    The cat reverses the direction of its velocity at point b.