Source: https://s0a05578cbddcd72c.jimcontent.com/download/version/1556029271/module/10790946652/name/S%C3%A9rie%20d%27exercices%20N%C2%B05%20-%20Physique%20-%20Oscillations%20M%C3%A9caniques%20Forc%C3%A9es%20-%20Bac%20Sciences%20exp%20%282018-2019%29%20Mr%20Daghsni%20Sahbi.pdf