Two months. It takes a long time to learn physics, chemistry and mathematics from scratch in senior high school. On the one hand, high school students have a lot of knowledge of physical chemistry and mathematics, and their body shape is also very complicated and changeable. You need to lay a solid foundation seriously to understand and even solve physical problems. You can choose to sign up for a fast remedial class, and you can study systematically from beginning to end in two months. Physics is a natural science that studies the structure, interaction and movement of matter, and it is a natural science subject based on experiments.