free physics notes for basic physics - Fearofphysics

free physics notes for basic physics1 Preliminaries: Things you have to knowHere are some preliminaries for this course. These are things that should be automatic to don t really have anything to do with physics , and aren t necessarily something you ll learnin physics , but should already know from your preparation to be entering this technical what a right triangle is and how sin, cos, and tan work with thatright triangle. Know how the pythagorean theorem works with a right that sin 0 = 0 , cos 0 = 1, sin 90 = 1 and cos 90 = the difference between a radian and degree and how to interconvertbetween a functiony(x), know how to finddy/dxandd2y/dx2. As an alternativenotation, giveny(x), know how to findy (x) andy (x).Vectors or physics we often draw arrows on objects to indicate that something ishappening to it. The arrow is also called a vector and it ll be labeled with some quantity,likeFfor force orvfor velocity, etc.

Preliminaries: Things you have to know Here are some preliminaries for this course. These are things that should be automatic to you. They don’t really have anything to do with physics, and aren’t necessarily something you’ll learn

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