Answer: Acceleration = - 7.5 m/s^2
Explanation:
Acceleration (a) is the rate of change in velocity. I.e
Acceleration = (V - U)/t
U = 35 m/s
V = 20 m/a
t = 2 s
Acceleration = ( 20 - 35 )/2
Acceleration = - 15/2
Acceleration = - 7.5 m/s^2
In this case, the car is decelerating at 7.5 m/s^2
