# IB Physics

a wind turbine has a power output p when the wind speed is v. The efficiency of the turbine does not change. What is the wind speed at which the power output is p/2

I know the answer is v/cube root of 2 but I don't know how to get that answer. Can you show me how?

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1. https://www.windpowerengineering.com/construction/calculate-wind-power-output/

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bobpursley

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