Question

The above graph shows the speed of a car over time. During which time period was the car stopped?

A. From t = 2 seconds to t = 5 seconds
B. From t = 5 seconds to t = 10 seconds
C. From t = 13 seconds to t = 16 seconds
D. From t = 21 seconds to t = 25 seconds

Answer 1

The answer is C, as there is not increase or decrease in speed during that time frame.