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First of all, transform both z₁ and z₂ into modulus-argument form. To obtain that form, you are going to need a modulus (the length of the hypotenuse on the Argand diagram) and argum...

Change in velocity is 30m/s Acceleration is equal to the change in velocity / time taken a = 30/10 = 3m/s²  

One of the easiest way, in my opinion, is to learn how languages often follow a common scheme of cases.

Nominativ, Accusativ, Dativ and Genitiv are the most impor...

Mainly AQA Specification

A01 is a crucial part of the marking scheme so it is important that you come to grips with it effectively. It looks at your ability to critically use textual referen...

C6H6 + CH3C(O)Cl = C6H5C(O)CH3 + HCl

This is an example of an electrophilic aromatic substitution reaction, with the product being a ketone. The AlCl3 serves as a catalyst, converting the acyl chlo...