German physicist Albert Betz (in 1919) demonstrated that the highest efficiency you can achieve with a wind turbine is around 59%
We would have to analyze the design of an specific turbine to determine its efficiency, however it is unlikely to achieve 50% , as todays turbines have an average efficiency in the 20-35%
The answer would be around 25%
<span>Rising or falling, it does not change.</span>
Definitely D. The brakes on a bike rub against the wheel. Not sure about the others.
C
Explanation:
that's just what I learned in school
