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Speaking exams can be scary, because you are put on the spot to ask questions that, especially at A level, may take some thinking about even in your native tongue. It is inevitable that you may struggle f...

One word: plan. Again three times: plan, plan, plan. When approaching an exam, it is always helpful to attempt past questions. At first these need not be timed, as past exam papers are an excellent revisi...

Development strategies can be used to help bridge the development gap between the rich and poor. These strategies can be successful if they help improve the standard of living. Different strategies take d...

The easiest way to complete questions of these types is to first sketch an Argand diagram. With 5√ 3 on the x (real) axis and -5 on the y (imaginary) axis, the modulus would be calculated simply by using ...

The key to solving this problem is realising that gravitational potential energy and elastic potential energy need to be equated. The gravitational potential energy of an object of mass m at height h abov...