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To what extent do you agree that Gatsby from The Great Gatsby is a tragic hero?

In some ways, Gatsby is a tragic hero. His "rags to riches" story is presented as heroic. He is portrayed by Nick as an innocent person, brought down only by forces beyond his control: the "fo...
TD
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What is the difference between reliability and validity?

These two concepts can be confusing at first, but once you get used to using them they get a lot easier. A golden rule for using these ideas in exam questions is to never use them together or just tack them ...
EG
Answered by Elinor G. • Psychology tutor
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Define the term 'first ionisation energy' and explain why the first ionisation energy shows a general increase across period 2

The first ionisation energy is the energy required to remove an electron from each atom in one mole of gaseous atoms to produce +1 charged gaseous ions.The first ionisation energy shows an general increase a...
NN
Answered by Naledi N. • Chemistry tutor
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By referencing the magnetic field and the alternating potential difference explain how a cyclotron produces a beam of high speed particles.

The difference in potential between the two Ds of a cyclotron accelerate the particles across the gap. The direction of potential difference switches every half cycle to keep the particles accelerating. The ...
GR
Answered by Gareth R. • Physics tutor
5787 Views

Find the equation of the tangent to the curve y = 4x^2 (x+3)^5 at the point (-1, 128).

y = 4x 2 (x+3) 5 . Use the product rule to find the first derivative of the curve, 8x(x+3) 5 + 20x 2 (x+3) 4 , and substitute x = -1 to find the gradient at the point (-1, 128). This should be 64. Now substi...
JG
Answered by Jack G. • Maths tutor
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