Home » Maths for Planet Earth » An Offshore Wind Farm

# An Offshore Wind Farm

Below is a diagram of 3 offshore wind turbines, A, B and C, in a wind farm, as seen from above.

Given that the bearing from turbine C to turbine B is 90˚, and the distance from turbine A to turbine B is 3 km

Calculate the distances AC and CB.

[4 marks]

## More Maths for Planet Earth

A Level
##### City Emission Levels
The emissions of a city from 2000 to 2012 are modelled by the equation (pleft( t right) = frac{1}{10}lnleft( t + 1 right) –
A Level
##### Filling a Weather Balloon
The height (h km) that a weather balloon can reach is related to the volume (v m₃) of helium in it at sea level
GCSE
##### Increasing Rainfall
As the atmosphere warms, the air holds more water vapour, and this could lead to more intense rainfall events, resulting in an increased flood
A Level
##### Warming up a Solar Cell
The temperature T˚C of a solar cell during a 24 hour period is modelled as  [T = 20 – kleft( 15 – frac{5t}{4} right)^{2}