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Friction always acts in the opposite direction to motion (or the potential motion) and Friction (Fr) acts as follows: In every case: Fr ≤ 𝜇R (where 𝜇 is the coefficient of friction and R is the reaction f...

The Structure of a Philosophy Essay.  You will always follow the same structure, regardless of the question or discipline: 1) Introduction - State your position, why you'r...

The first (and probably the most important) step in preparing for interview is becoming comfortable talking about your subject. Interviews last around 20 minutes each depending on the subject and most of ...

First you need to get the quadratic equation in completed square form. 
This looks like: (x+p)^2 + q 

To put an expression in completed square form you can use this formula: x^2 + 2bx + c = (...

The Universities that you apply to will want to see that you are interested enough in your course to take the time to look into the subject that you wish to study beyond what you have been taught in the c...