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+// Scilab Code Ex1.12: Page:32 (2011) 
+clc;clear;
+c = 3e+008;    // Speed of light in vacuum, m/s
+m0 = 9.1e-031;    // Rest mass of electron, kg
+m = 11*m0;    // Mass of relativistically moving electron, kg
+E_k = (m-m0)*c^2/(1.6e-019*1e+06);    // Kinetic energy of moving electron, MeV
+// As m = m0/sqrt(1-v^2/c^2), solving for v
+v = c*sqrt(1-(m0/m)^2);    // The velocity of the moving electron, m/s
+p = m*v;    // Momentum of moving electron, kg-m/s
+printf("\nThe kinetic energy of moving electron = %4.2f MeV", E_k);
+printf("\nThe momentum of moving electron = %4.2e kg-m/s", p);
+
+// Result
+// The kinetic energy of moving electron = 5.12 MeV
+// The momentum of moving electron = 2.99e-021 kg-m/s 
+\ No newline at end of file