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Students in the universities have different study directions. The physics courses have very different details for different kinds of students. The physics lectures in the American university have different direction, for general education and for physics majors. The course for general education can be devided as non science majors, and for science major. The physics courses for non-science majors in the university are much easier than the science majors. It just requires students to grasp some basic conceptions and the quantitative relationships between different fields, such as the movement with constant acceleration, momentum of inertia, Magism, electricity. Student do not need to know how to use the formula with advanced mathematics. Each work is just basic algebra. These are easier than some high school students physics who tend to be physics majors. On the other hand the laboratory will help students comprehend the points of the lecture better. As for the physics for general education of science or engineering majors, they need to know something more wild and deeper than the students who is not science major. The physics courses for science major usually have the perquisite of some math courses. Because they need to have enough back ground of math. Calculus is one of the common perquisite courses. Students need to know how to solve the physical problems by calculus. They need to build the model with the advanced math. Their physics course will cover classical mechanics, electricity, special relativity, and simple quantum mechanics. Those are really fundamental knowledge in physics. Many science subjects have relations to each other. In that case, This kind of students need to know apply the physics to the subjects they learn. They do not need to grasp super advanced physics. The courses for physics majors have much higher level than those two case that had been talked above. At the beginning of the college. Their courses have few difference with the physics courses for the general education of science major. But After the first year, the physics majors need to go up and study many deeper knowledge. Many parts of the courses need to use the very advanced math, like linear algebra, manifold. And second, in higher grade, they need to learn some very modern theory. Audience expectation: they want to know what they need to do. Before they become the physics majors, they might have some different expectation compared with the reality. So, they need to know more details bout that. So, in oreder to this, I need to try to show as more details as I can. That willmake them realize thei future and have more persicely plan.