(a(i))[1]
State what the displacement of the mass on the spring means.
(a(ii))[1]
Suggest how Fig. 4.2 indicates that the mass is not performing simple harmonic motion.
(b(i))[1]
The amplitude of oscillation of the mass may be altered. State the greatest amplitude $x_0$ for which the oscillations are simple harmonic.
(b(ii))[3]
For the simple harmonic oscillations of the mass, use Fig. 4.2 to work out the frequency of the motion.
(c)[2]
For simple harmonic motion of amplitude $x_0$, the mass has a maximum speed of $v_0$. In Fig. 4.3, show how the velocity $v$ of the mass varies with displacement $x$ for displacements from $+x_0$ to $-x_0$.