(a(i))[1]
Describe the motion of the ball in Fig. 1.1.
(a(ii))[2]
Show that the distance travelled by the ball is 1.8 m.
(a(iii))[2]
Calculate the gravitational potential energy stored in the ball just before it is released.
(a(iv))[1]
Determine the kinetic energy of the ball when it has fallen half way to the ground.
(b)[3]
Explain how the vertical motion of the ball changes from the moment it is dropped until just before it reaches the ground. Use the idea of forces in your answer.
(c)[2]
Explain why the change in height of the ball between B and C is less than the change in height between A and B.