You may not know, but there can be a lot of physics involved in doing calculus. For instance after doing homework for several hours at night and you discover that you have been doing it all wrong, you might feel the need to crumple up you wrong work and throw it across the room. Doing this can I involve physics. When you launch the paper it would be at a certain degree. Knowing the ideal angle is 45 degrees you would get as close as you can to that angle to launch you homework as far as you can. You would also launch the paper at a specific speed. You wouldn't know the actual speed when throwing it. But you would be able to determine the speed based on how far it landed and the time it takes. If you really would like to know, using a kinematic equation can help you do so. As you can tell physics can be applied everywhere even when doing math homework.