IBTopic04


 * **Topic 4: Oscillations and waves** ||
 * 4.1 || Kinematics of simple harmonic motion (SHM) ||
 * 4.2 || Energy changes during simple harmonic motion (SHM) ||
 * 4.3 || Forced oscillations and resonance ||
 * 4.4 || Wave characteristics ||
 * 4.5 || Wave properties ||