Find the radius of the star rigel

Assignment Help Physics

Reference no: EM13260383

Find the radius R of the star Rigel, the bright blue star in the constellation Orion, which radiates energy at a rate of 2.7×1032 W and has a surface temperature of 11,000 K. Assume that the star is spherical, and that its emissivity is 1.0. Use ? = 5.67×10?8W/m2?K4 for the Stefan-Boltzmann constant.

Reference no: EM13260383

Questions Cloud

Describe arbitration-discuss its advantages to litigation : Describe arbitration and discuss its advantages to litigation. Describe mediation and discuss its advantages to litigation. Describe two other forms of alternate dispute resolution and discuss their advantages to litigation.

Calculate the present value of one futures contract : Are current market interest rates higher or lower than the standardized rate on a futures contract? Explain.

Explain the calculation the change in enthalpy of hcl : Calculate the change in enthalpy of HCl + NaOH--> NaCl + H2O for this reaction using Hess's Law. Units should be kJ/mol.

Calculate the coupon interest rate : Identify 2 or 3 advantages to the investor of buying a bond with warrants instead of straight bonds.

Find the radius of the star rigel : Find the radius R of the star Rigel, the bright blue star in the constellation Orion, which radiates energy at a rate of 2.7×1032 W

A normally distributed quality characteristcs : A normally distributed quality characteristcs has specification limits at LSL=50 and USL=60. a random sample of size 35 results in Xbar = 55.5 and s= 0.9

Which is better a centralized or decentralized approach : Both Berkley and Oakley are large public corporations with subsidiaries throughout the world. Berkley uses a centralized approach and makes most of the decisions for its subsidiaries. Oakley uses a decentralized approach and its subsidiaries make ..

Explain henderson-hasselbalch equation to calculate the ph : Use the Henderson-Hasselbalch equation to calculate the PH of each solution- a solution that contains 0.760% C5H5N by mass and 0.960% C5H5NHCl by mass

Create a table for the npv profile for this project : Create a table for the NPV profile for this project for discount rates ranging from 0% to 30%, in intervals of 5%. For which discount rates is the project attractive?

User Account

All Pages