Question

QUESTION 4

a) Define speed, velocity and acceleration stating whether they are scalar or vector quantities. Support with calculative examples ( 9 marks)

b ) Draw a graph of an object that starts from rest and accelerates at 4m/s^2 until for 5 seconds, then travels at a constant velocity for 3 seconds and then decelerates at 8 m/s^2 until it comes to rest. Determine; ( 16 marks)

the constant velocity;

the displacement during acceleration

the displacement of constant velocity

the time taken for deceleration and

the displacement during deceleration

Answer 1