h = 6.62*(10^(-34));
c = 3*(10^8);
m = 1.674*(10^(-27));

p = ((2*h)/(2*0.2*(10^(-9))*Sin[Pi/6]))

V  = (p/(1.674*(10^(-27))))

En = ((((m^2)(c^4)+(p^2)(c^2)))^(1/2))