p38_037 - . 10 30 kg and a year is 3 . 156 10 7 s, dm dt =...

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37. Since the rest energy E 0 and the mass m of the quasar are related by E 0 = mc 2 ,therate P of energy radiation and the rate of mass loss are related by P = dE 0 /dt =( dm/dt ) c 2 .Thu s , dm dt = P c 2 = 1 × 10 41 W (2 . 998 × 10 8 m / s) 2 =1 . 11 × 10 24 kg / s
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Unformatted text preview: . 10 30 kg and a year is 3 . 156 10 7 s, dm dt = (1 . 11 10 24 kg / s) 3 . 156 10 7 s / y 2 . 10 30 kg / smu 18 smu / y ....
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