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Using cosine rule a.b = |a||b|cos(theta) and the example vectors a = (1,2,3) and b = (3,2,1),First explain why the cosine rule exists, use a geometric proof of the cosine rule. Show the magintude of a=b=r...
A Born-Haber cycle shows how one mole of an ionic lattice is formed from its elements in their standard states and their standard conditions. You start with the elements in their standard states, and at e...
The important thing to remember is that this section is extremely time limited - you should not try and read all of the given sample paragraph. Instead, read the question first an...
To "make y the subject" basically means to get an expression in the form y= a function of the other variables (in this question, x and p). This will involve adding, subtracting, multiplying and ...
Firstly, liberals take an optimistic view of human nature in relation to the state. It is a school of thought which advocates peaceful co-operation and 'soft' forms of power rather than military resources...
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