Question

A car increases its speed from 9.6 meters per second to 11.2 meters per second in 4.0 seconds. The average acceleration of the car during this 4.0-second interval is: a. 2.8 m/s2 b. 0.40 m/s2 c. 5.2 m/s2 d. 2.4 m/s2

Answer 1

A

Step-by-step explanation:

Average in a function of total meters per second divided by the number of seconds and all new information counter the first. Therefore 11.2/4.0 = 2.8