//chapter13,Example13_7,pg 394 m=10*10^3 N=6.023*10^23 Eperfi=200*10^6//energy per fission E=Eperfi*1.6*10^-19//energy in joules A=235 T=24*60*60 P=((m*N)/A)*(E/T) printf("power output\n") printf("P=%.2f watt",P)