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171. Problem 21.43 (RHK) Quasars are thought to be nuclei of active galaxies in the
early stages of their formation. A typical quasar radiates energy at the rate of
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We
have to find the rate at which the mass of this quasar is being reduced in
supplying this energy. We have to express our answer in units of solar mass per
year, where one solar mass unit (smu) is the mass of our Sun.|
Solution: Click For PDF Version The rate at which quasar is radiating energy is
Therefore, the rate at which the mass of the quasar is being lost will be given by the mass-energy relation
Thus,
We use the following data
We thus find
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