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//variable initialization
deltaTow=1*10^(-6); //mean proper lifetime of particle (second)
Beta=0.9 //value of Beta
v=2.7*10^8; //velocity of particle (meter/second)
//part(i):lifetime of the particle in the laboratory frame
deltaT=deltaTow/((1-Beta^2)^(1/2)); //lifetime of the particle in the laboratory frame (second)
//part(ii):distance traversed by the particle in the laboratory frame
d=v*deltaT; //distance traversed by the particle in the laboratory before disintegration (meter)
printf("\nIn laboratory frame:\n\t lifetime of the particle = %.2e second\n\t distance traversed by the particle = %.1e meter",deltaT,d);
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