Answer:
0.25m/s2
Step-by-step explanation:
Acceleration is simply the change in velocity per unit time. It is expressed mathematically as:
Acceleration (a) = change in velocity (ΔV) / time (t)
a = ΔV/t
Data obtained from the question include:
Change in velocity (ΔV) = 20 m/s
Time (t) = 80 secs
Acceleration (a) =.?
Applying the equation a = ΔV/t, the acceleration of the bus can be obtained as follow:
a = ΔV/t
a = 20/80
a = 0.25m/s2
Therefore, the acceleration of the bus is 0.25m/s2