Sun radiating energy at a rate

  • Thread starter aeromat
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  • #1
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Homework Statement


The Sun radiates away energy at the rate of 3.9*10^24 Watts. At what rate it it losing mass due to this radiation?


Homework Equations


E = Δmc^2
E = mc^2 - m0c^2

Where m0 rep. rest mass.


The Attempt at a Solution


For this one, I am unsure as to how I would go about with solving it.
I know that a Watt can equal 1 Joule / second...
 

Answers and Replies

  • #2
lewando
Homework Helper
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I know that a Watt can equal 1 Joule / second...
So then the Sun must radiate energy at 3.9*1024 Joule / second.

It will help if you consider a useful time interval, say 1 second, for your evaluation.
 

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