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How do I do definite integrals?

A definite integral is an indefinite integral with set limits. If we consider integration as a way of calculating the area under a curve, a definite integral calculates the area under the curve between tw...

Answered by Charlie J. • Maths tutor

3206 Views

How does a signal move from one neurone to another and how does this process change for different motor responses?

The transmission of an action potential- the signal- from one neurone to another occurs over the synapse. The structure of a synapse is as follows; there is a presynaptic bulb, a post synaptic bulb and th...

Answered by Amy H. • Biology tutor

2576 Views

Compare the ways poets present ideas about the ‘power of humans’ in “Ozymandias’’ and in one other poem from Power and Conflict?

Introduction? Topic Sentence

In this essay I will be exploring how the theme of the ‘power of humans’ is presented by Percy Bysshe Shelley and Robert Browning in 'My Last Duchess' ...

Answered by Lily R. • English Literature tutor

13176 Views

I find poetry very difficult - what if I don't understand the poem in the interview?

Firstly, do not panic! During my interview I had no idea that the poem they gave me was an allegory for the process of writing poetry, but I was able to work with what I could deduce from the poem. Try an...

Answered by James T. • Oxbridge Preparation tutor

1920 Views

i)Explain why first ionisation energy shows a general tendency to increase across a period? ii)Using period 3 as an example, which elements show irregularities in this trend and why?

i)As you move across a period the number of protons in the nucleus, and so the overall nuclear charge, increases. All extra electrons are roughly the same energy and distance from the nucleus. This means ...

Answered by David M. • Chemistry tutor

6758 Views