Answer :
Acceleration = (change of speed) / (time for the change)
Change in speed = (30 - 0) = 30 m/s.
Time for the change = 8 sec.
Acceleration = 30/8 = 3.75 m/s per second.
Change in speed = (30 - 0) = 30 m/s.
Time for the change = 8 sec.
Acceleration = 30/8 = 3.75 m/s per second.