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When faced with a poem to analyse what are first few things would should look out for.

Structure. What form do the stanzas take? How many stanzas are there? Is there a pattern? If so, what is the name of the pattern which the stanzas take? (eg sonnet) Rhyme and rhythm. Does the poem rhyme o...

Answered by Eloise M. • English tutor

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What does HALE stand for?

Health Adjusted Life Expectancy

Answered by Rosie A. • Geography tutor

2577 Views

What are the uses of the optative mood, and how would you identify its meaning in context?

The optative mood is more remote than the subjunctive, and only exists in Greek and a handful of other languages, so I think it’s useful to have students identify it and know how best to express it in tra...

Answered by Flavia E. • Classical Greek tutor

2731 Views

Two satellites are in orbit around the Earth. The first is in a geostationary orbit, the second satellite at radius half that of the first. What is the (approximate) period, in hours, of the second satellite?

A geostationary satellite is one that remains above the same location on Earth. This means it has to be above the equator, and its orbit period is exactly 24 hours! The period of a circular orbit is dista...

Answered by Hubert A. • PAT tutor

6887 Views

Derive an expression for the centripetal acceleration of a body in uniform circular motion.

(I assume familiarity with positions represented by vectors and differentiation of trigonometric functions). Consider the coordinates of a point moving in a circle of radius r around the origin. The equat...

Answered by Hubert A. • Physics tutor

3796 Views