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How do I start to approach the ELAT?

The ELAT is an unsual test for one main reason: it has no questions. Instead you are faced with six poems or extracts from texts, which all have a shared theme. Themes in the past have included Journeys and ...
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Answered by Amanda W. • ELAT tutor
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To what extent do conservatives support the free market?

Students should begin with a brief discussion on the definition and features of the free market economy, with reference to concepts such as the invisible hand and to theorists such as Adam Smith. In discussi...
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Answered by Marcel G. • Politics tutor
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How much work must be done on a 4.0kg frictionless trolley, to accelerate it from rest to a velocity of 5.0m/s?

It must firstly be noted that, in general, the work done on an object is equal to its gain in energy.The trolley has gained kinetic energy. This can be calculated using the formula: "KE = (1/2)mv^2&quot...
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Answered by Will W. • Physics tutor
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How do you calculate the derivative of cos inverse x?

When differentiating cos inverse x, the typical method is to make y equal to cos inverse x.By taking cos of both sides: x = cosy.You can then differentiate with respect to y, obtaining that: (dx/dy) = - siny...
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How do you integrate (sinx)^2?

(sinx)^2 (similarly to (cosx)^2) cannot be integrated in this form. There is a standard method to get past this though, which makes use of the cos double angle formula:cos(2x) = (cosx)^2 - (sinx)^2 = 1 - (si...
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Answered by Will W. • Maths tutor
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