Answer:
8m/s^2
Explanation: Acceleration is the rate of change of velocity per unit of time.
Hence, mathematically
Acceleration = {Velocity(meters/second)}/ time(seconds)
This means that
{40(m/s)}/(5 sec)
=8m/s^2
Answer: 8 m/s2
Explanation: Acceleration is calculated by V1 - V2/ time. 40m/s - 0m/s divided by 5 s = 8 m/s2