Explore BrainMass
Share

Explore BrainMass

    Star's Temperature and Energy radiated by it

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    (a) A star's temperature is 6175 K. According to the Stefan-Boltzmann law, how much energy is radiated into space per second by each square meter of the star's surface ?
    1..... J

    (b) If the star's radius is 605,000 km, what is the total power output of the star?
    2 ...... W

    © BrainMass Inc. brainmass.com April 1, 2020, 4:22 pm ad1c9bdddf
    https://brainmass.com/physics/stars/stars-temperature-energy-radiated-242971

    Solution Preview

    According to the Stefan-Boltzmann law, The energy radiated by a blackbody radiator "per second per unit area" is proportional to the fourth power of the absolute temperature.

    Energy per area per second = sigma x T^4 Joules/m^2 s

    where sigma = 5.67 x 10^-8 W/m^2 ...

    Solution Summary

    Easy to understand step by step solution is provided.

    $2.19