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Badiation Homeworl
> A star of radius
6.95x 10% meters has
tempera ture of 10,000 K. Assuming its
perfect cadietor,
a) Calculete the power redicted by tle
Star.
b) How much energy is radiated in
one day
s A solid sphere of redius 30 em is heated to
soo°C befoce beine pleced inside of
refrigerator ukose temperatore is 5'C.
If the sphere can radiete at 25 %
the
a
what
is
power cadieted while inside the
ref sigeretor?

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