5A star ef radius 6.95 x 10° meters has temperature of 10,000 K. Assuming its perfect cadietor, a) Caleulete the power radiated by the Star, b) How much energy is cadiated in one day?
5A star ef radius 6.95 x 10° meters has temperature of 10,000 K. Assuming its perfect cadietor, a) Caleulete the power radiated by the Star, b) How much energy is cadiated in one day?
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Transcribed Image Text:Badiation Homeworl
s A star of radius
6.95 x 10°
meters has
tempera ture of 10,000 K. Assuming its
perfect cadietor,
a) Caleulate the power radiated by the
Star,
b) How mueh is cadiated in
energy
one day ?
zS A selid sphere ot redivs 30 em is heated to
soo'C befoce beine pleced inside of a
refrigerator ukose tempesature is 5'e.
If the sphere
the
can radiete at 25% what
is
power
cadiated while iaside the
ret sngeietor?
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