Prоve the Betz's lаw which gives the theоreticаl mаximum pоwer that can be extracted from the wind. You need to proove that the maximum efficiency that can be extracted from the wind turbine is 59.3% which is achieved when vb/va=1/3 (where va is the speed of wind towards the wind turbine and vb is the speed of wind after the wind turbine. Final Exam Reference Sheet.pdf