Question

A car accelerates from rest to a velocity of 5 meters/second in 4 seconds. What is its average acceleration over this period of time?

A: its acceleration is 1.25 meters/second.
B: its acceleration is 5 meters/second.
C: its acceleration is 0.8 meters/second.
D: its acceleration is 1.25 meters/second^2.
E: its acceleration is 20 meters.

Answer 1

the answer is D: its acceleration is 1.25 meters/second^2.