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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?

  1. 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 Dista...
EC
Answered by Emma C. Maths tutor
3086 Views

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...

LO
Answered by Laura O. Spanish tutor
2134 Views

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 ...

LO
Answered by Laura O. Maths tutor
5437 Views

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]Tempera...

LO
Answered by Laura O. Physics tutor
2228 Views

A rectangular frame is made from 5 straight pieces of metal with height 5m and length 12m. One of the pieces of metal goes through the diagonal of the rectangle. The weight of the metal is 1.5 kg per metre. Work out the total weight of the metal

Firstly, I would suggest that we draw a diagram to visualise the problem. Using the diagram and knowledge of rectangles, you can see that the rectangle is made of two right angled triangles. Thus we can u...

CB
Answered by Charlie B. Maths tutor
17997 Views

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