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+// Scilab Code Ex4.4: Page-235-236 (2008)

+clc; clear;

+c = 3e+008;    // Speed of light in vacuum, m/s

+// Part (a)

+v = 0.98*c ;    // Speed of the rigid bar, m/s

+L2 = 1.5;    // Length of the rigid bar in S_prime frame, m

+L1 = L2*sqrt(1-v^2/c^2);    // Apparent length of rod from Lorentz transformation, m

+theta2 = 45;    // Angle which the bar makes w.r.t. x-aixs in S_prime frame, degree

+theta1 = atand(tand(theta2)/sqrt(1-v^2/c^2));    // Orientation of bar relative to S frame, degree

+printf("\nThe orientation of the %d m bar relative to S frame = %4.1f degree", L2, theta1);

+// Part(b)

+v = 0.6*c ;    // Speed of the rigid bar, m/s

+L2 = 5;    // Length of the rigid bar in S_prime frame, m

+L1 = L2*sqrt(1-v^2/c^2);    // Apparent length of rod from Lorentz transformation, m

+theta2 = 30;    // Angle which the bar makes w.r.t. x-aixs in S_prime frame, degree

+theta1 = atand(tand(theta2)/sqrt(1-v^2/c^2));    // Orientation of bar relative to S frame, degree

+printf("\nThe orientation of the %d m bar relative to S frame = %4.1f degree", L2, theta1);

+

+// Result

+// The orientation of the 1 m bar relative to S frame = 78.7 degree

+// The orientation of the 5 m bar relative to S frame = 35.8 degree 
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