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This is a question testing the knowledge of the equations of constant acceleration (Suvat equations)First convert the question into a standard form. For example by writing out the variables as follows s (dis...

The easiest way of approaching this question is to use De Moivre's formula: e^(inx) = cos(nx) + isin(nx) from which it is simple to show that cos(nx) = (e^(inx) + e^(-inx)) / 2 and sin(nx) = (e^(inx))- e^(-i...

Mitosis and meiosis refer to the way cells reproduce. Mitosis sees the cell divide in two, forming two genetically identical diploid cells. The reproduction of cells means mitosis is used by the body for gro...

The terms left and right wing refer to the political spectrum, usually expressed in terms of a line with the far left at one end, the far right at the other and the centre in the middle. In British politics,...

At GCSE level, competent engagement with the historical background and a decent argument are sufficient to secure a good grade. At A-level, the phrasing and structure of the essay becomes more critical, requ...