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Why can customs unions lead to higher prices for consumers?

Although trading blocs such as the EU ( which is a customs union) promote free trade without tariffs ( taxes on imports ) within the borders of the union, it still places tariffs on imports that are external...
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Answered by Angus F. • Economics tutor
2228 Views

How are inflation and unemployment linked?

The Phillips curve shows the relationship between unemployment and inflation. On the y axis is inflation increasing and on the x-axis is the unemployment rate increasing. The theory behind the relationship s...
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Answered by Angus F. • Economics tutor
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How can I find the equation of a line l which passes through the points (5,7) and (3, -1)

First thing first, we should always write down the equation of a straight line (which is y = mx + c ) as this will be important for this question.In order to find the equation of the straight line l we need ...
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Answered by Katie C. • Maths tutor
10337 Views

A ball is thrown in the air with velocity of 50.0 m/s, assuming no air resistance calculate its maximum height.

Use SUVAT equations to find height, S, when final velocity, V, is 0: s = ?u = 50 m/sv = 0 m/sa = -9.81 m/st = Not necessaryRecall: v 2 = u 2 +2as s = -u 2 /(2a) = -2500/(2 x -9.81) = 127.4 m But given to 3 s...
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Answered by Oliver G. • Physics tutor
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Why do elements give off coloured light when heated?

When elements are heated, it causes their electrons to become excited. Electrons exist in discrete energy levels, and these energy levels are unique to each element. When the electrons are excited by heat, t...
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Answered by Gemma C. • Chemistry tutor
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