Thursday 25th May 2023
Difficulty: Hard
(Unsplash)
A wind turbine is a device that converts the kinetic energy of wind into electrical energy. They are often grouped together to form wind farms, and are an important source of renewable energy.
1. What is the swept area of the rotor of a wind turbine with blades that are 45m long?
2. What is the weight of a 40m Vestas wind turbine blade?
3. How many birds are estimated to be killed every year by wind turbines in the UK (according to BBC Science Focus Magazine)?
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