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The minimum point for the curve can be found by finding the point at which the gradient is zero, where the curve is instantaneously level, before increasing again. This can be done by differentiating the ...

Begin the personal statement by being direct and introducing yourself and what it is your applying for. With a personal statement for university, it is important to follow on with a paragraph explaining w...

As this is an isolated system and a simple pendulum starting at rest, at maximum height, all the energy is in potential energy. The known equation for potential energy is simply mgh (mass x acceleration d...

This could be a speaking question, where the student is asked to discuss the positives and negatives of automation, and to take one of these sides during a debate. I would go through generally useful spea...

The tri-cellular model shows how energy is transferred polewards via three cells of air circulation: the Hadley, Ferrel and Polar cells. The Hadley Cell involves the meeting of the trade winds in the Equa...