Student notes: 2.1 Distance, displacement, speed and velocity
If you look up distance in a dictionary you will find it has many different meanings. It"s the same for displacement. In physics, words mean one thing and one thing only; the meaning is specified clearly in the definition of the word. It is very important that the definitions are remembered so the quantities they represent mean the same thing to everyone.Remember that physics is about modelling the universe so that we...
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