h*c/L=A+m*V^2/2 V=sqrt(2*(h*c/L -A)/m)=sqrt(2*(6,62*10^-34*3*10^8/589*10^-9 -1.89*1,6*10^-19)/9,1*10^-31)=2,77*10^5 м/с
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h*c/L=A+m*V^2/2 V=sqrt(2*(h*c/L -A)/m)=sqrt(2*(6,62*10^-34*3*10^8/589*10^-9 -1.89*1,6*10^-19)/9,1*10^-31)=2,77*10^5 м/с