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// Scilab code: Ex3.13 : Kinetic energy of a proton:Pg: 82 (2008)
L = 1e-010; // wavelength of proton, m
m = 1.67e-027; // Mass of proton, kg
h = 6.624e-034; // Plancks constant, joule second
// Since L = h/(m*v); // wavelength of proton, m
v = h/m*L; // Velocity of proton, m/s
v_k = h^2/(2*L^2*m); // Kinetic energy of proton, joule
printf("\nThe kinetic energy of proton = %3.1e eV ", v_k/1.6e-019);
// Result
// The kinetic energy of proton = 8.2e-002 eV
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