A spherical blackbody radiator with a diameter of 1.40 m is held at a constant temperature. What is the temperature (K) if the power radiated by the body is 13.6 kcal / min? (1 kcal 1000 cal)(1cal 4.186J)(1min 60sec)(o = 5.67*108 J/(s*m²k*)) Enter an Integer or decimal number with units, with exactly 3 significant figures (more.
A spherical blackbody radiator with a diameter of 1.40 m is held at a constant temperature. What is the temperature (K) if the power radiated by the body is 13.6 kcal / min? (1 kcal 1000 cal)(1cal 4.186J)(1min 60sec)(o = 5.67*108 J/(s*m²k*)) Enter an Integer or decimal number with units, with exactly 3 significant figures (more.
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Transcribed Image Text:A spherical blackbody radiator with a diameter of 1.40 m is held at a constant temperature. What is the
temperature (K) if the power radiated by the body is 13.6 kcal / min?
(1 kcal = 1000 cal)(1cal = 4.186J)(1min = 60sec)(o = 5.67*10 8 J/(s*m?K*)
Enter an integer or decimal number with units, with exactly 3 significant figures (more.)
Transcribed Image Text:Rigel is a blue supergiant star and the brightest star in the constellation Orion. It has a radius of 1.46 x 1011
m. Assume the spherical surface behaves as a blackbody radiator. If the surface temperature is 12.5 *10 K,
what is the rate at which energy is radiated from the star?
(o = 5.67 108 J/(s'm²K*))
Enter an integer or decimal number with units, with exactly 3 significant figures (more..
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