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How do I begin writing my personal statement?

The best thing you can do is to start by writing a list, or mindmap, or whatever helps you organise your thoughts. Divide your thoughts into sections - firstly, your academic achievements. Secondly, your per...
HH
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Why does your hair stand on end when you touch a Van de Graaff generator?

This is all down to static electricity. Inside the Van de Graaff generator, there is a rubber band and rollers. As they are electrically insulated, when the motor turns they rub together and electrons are 'k...
TW
Answered by Tom W. Physics tutor
83324 Views

What is the largest possible length of a pole you could fit in a room?

Lets say you are in a cubical grain silo, with a height of 12m, and a base with dimensions 3m by 4m. If you wanted to fit a pole in the silo, what is the largest possible length of the pole? The length we ar...
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Answered by Tom W. Maths tutor
6479 Views

How do you find the equation of a line at a given point that is tangent to a circle?

This question may start by giving you an equation, which you need to write in the form of the standard equation of a circle (usually by completing the square). This allows you to see the centre of the circle...
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Answered by Tom W. Maths tutor
5271 Views

What's the integral of x^2 +3/x, with respect to x?

A: x 3 /3 + 3ln(x) + A. Step-by-step solution: Integral (x 2 +3/x dx) = [as integrals preserve sums] integral (x 2 dx) + integral (3/x dx) = [raise exponent by one, multiply by the reciprocal, add a constant...
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Answered by Marco G. Maths tutor
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