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A boat travels due North at 5km/h for 3 hours, then changes course and sails due east for 2 hours, adjusting his speed to 8km/h. What is his total displacement from his original position?

Begin by setting up the problem with a diagram. Yu should draw a right angled triangle, with currently unknown lengths.2) Calculate the distance travelled for the two parts of the journey. Use Distance = spe...
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Answered by Emma C. • Maths tutor
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On 3/12/18, Prime Minister Theresa May described the 2016 EU Referendum as "(T)he biggest democratic exercise in our history.” Use your own knowledge to evaluate this comment, and to consider the relationship btwn democracy and referenda in the UK.

- First need to consider conceptual factors – does a referendum weaken aspects of representative democracy by increasing the risk of what de Tocqueville described as a ‘tyranny of the majority’. Does it incr...
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Answered by Samantha M. • Politics tutor
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Listening: 'Ayer, fui de compras. Me gustó una chaqueta, pero no tuvo el dinero suficiente para comprarla. Al fin, compré una falda.' Qué compró la mujer?

What items of clothing does she discuss? (repeat phrase as necessary, slower if the student struggles). Una chaqueta - a jacketUna falda - a skirt What did she say about each one? 'Me gustó una chaqueta' : '...
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Answered by Laura O. • Spanish tutor
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Draw the graph for y = x^2 + 4x +2

This is a quadratic equation. So we know the shape will look something like this: (draw 'smiley face' shape. Plot some points showing for x=2, y = 4. For x =3, y =9. Show symmetry: a negative number squared ...
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Answered by Laura O. • Maths tutor
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Define the Specific Heat Capacity of a material. What is its unit?

This is the amount of energy needed to heat 1kg of the material by 1 degree: ENERGY to heat a MASS by a TEMPERATURE INCREASE. Usingstandard units:Energyis in Joules [J]Massis in kilograms [kg]Temperaturein d...
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Answered by Laura O. • Physics tutor
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