Question

(b) (ii) Use the graph to determine the acceleration of the car.

(b) (iii) Calculate the net force acting on the car to produce the acceleration found in part
(b)(ii)

Answer 1

Initial velocity = 0

Final velocity = 25 m/s

Time taken = 10 sec

Acceleration = (25-0)/10 = 2.5m/s²

Let the mass of the car be ′m′.

Force = ma

Force = 2.5m N