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How do I find the minimum point for the equation y = x^2 -5x - 6?

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 equ...
AU
Answered by Alex U. • Maths tutor
6753 Views

How do I structure a personal statement?

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 why ...
VJ
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A simple pendulum is an example of a system in Simple Harmonic Motion, using conservation laws find a) the greatest speed of the bob and b) the magnitude of speed at a height of 1.0cm above the minimum point. Given it starts at rest, at a height of 20cm.

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 due ...
TS
Answered by Thomas S. • Physics tutor
4080 Views

Die Folgen der Automatisierung

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 speakin...
ES
Answered by Eleanor S. • German tutor
1875 Views

What are the climatic implications of the tri-cellular model of global atmospheric circulation?

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 Equator...
TG
Answered by Taran G. • Geography tutor
17761 Views