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How can I show my enthusiasm for my subject?

The best way to do this is prove your interest. Rather than simply saying that you are passionate, demonstrate it in a way which shows you have gone beyond what you would be expected to do in school. You ...

TT
5533 Views

Given that y=x^3 +2x^2, find dy/dx . Hence find the x-coordinates of the two points on the curve where the gradient is 4.

First of all we are asked to differentiate the function. This can be easily done by multiplying the coefficient of x by its exponent, and then decreasing the exponent by one. Therefore, dy/dx=3x^2+4x We a...

IH
Answered by Imran H. Maths tutor
15310 Views

Explain the roles of ATP and calcium ions in muscle contraction. (4 marks)

The hydrolysis of ATP provides the energy necessary to break the cross-bridges formed between actin and myosin heads. The hydrolysis of ATP is also used to provide the energy for the power stroke, which i...

RH
Answered by Rachel H. Biology tutor
21372 Views

The numbers 6B and 12 are displayed in hexadecimal form. Convert them into binary form and perform binary addition to find the sum. Convert your answer back into hexadecimal. Show your workings.

The first step is to work out what 6B and 12 are in binary. Starting with 6B, we need to find a four-bit representation of both 6 and B. 6, converts straight to its binary form, simply by adding 1s...

BC
Answered by Ben C. Computing tutor
3228 Views

How do I approach this question? Our teacher never explained it in class!

Any question in physics will boil down to a simple conservation law, even at the relatively difficult A level exams.

Basically, in order to successfully solve this question, you need to identify 3 ...

FP
1748 Views

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