Some tips: * Don't get discouraged. Physics is hard! * Work on problems, and don't let yourself look at the solutions too soon. Sometimes it takes a few days

Some tips: * Don't get discouraged. Physics is hard! * Work on problems, and don't let yourself look at the solutions too soon. Sometimes it takes a few days of thinking to solve a problem. * When reading through equations, go really slow. Make sure you fully understand each step and don't let yourself skim. Edit: +1 for the guide you linked, it looks excellent.