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//A gun
//applying principle of conservation of momentum
v=-5 //m/sec
printf("\nGun will have a velocity of %.2d m/sec in the direction opposite to that of bullet",-v)
//Let the gun recoil for a distance s
//Using work energy equation
s=(300*25)/(2*9.81*600) //m
//Applying impulse momentum equation to gun
t=(300*5)/(600*9.81) //sec
printf("\ns=%.3f m\nt=%.3f sec",s,t)
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