(a(i))[1]
For the object's oscillations, find the amplitude $x_{0}$, in cm.
(a(ii))[2]
For the object's oscillations, show that the angular frequency $\omega$ is $1.6\,\text{rad s}^{-1}$.
(a(iii))[3]
For the object's oscillations, determine the total energy $E$.
(b)[4]
On Fig. 4.2, sketch how the kinetic energy $E_K$ of the object varies with $h$.