HW 7 - ./2 pointsWalker4 29.P.091.My Notes | A small star...

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. –/2 points Walker4 29.P.091. My Notes | A small star of mass  m  orbits a supermassive black hole of mass  M . (a) Find the orbital speed of the star if its orbital radius is  5 R , where  R  is the Schwarzchild radius ( R=2GM/c 2 ).   c (b) Repeat part (a) for an orbital radius equal to  R .   c 2. –/1 points Walker4 30.P.002. My Notes | A star has a peak in its radiation at a frequency of  4.12   10 14  Hz. What is the surface temperature of this star?   K 3. –/2 points Walker4 30.P.003. My Notes | What is the frequency of the most intense radiation emitted by your body? Assume a skin temperature of  95 °  F.    Hz What is the wavelength of this radiation?    µm 4. –/1 points Walker4 30.P.005. My Notes | A star has a surface temperature of about  7500  K. At what frequency does the star emit the most radiation?    Hz 5. –/1 points Walker4 30.P.017. My Notes
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This note was uploaded on 03/08/2012 for the course PHYS 116 taught by Professor Staff during the Fall '08 term at University of Washington.

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HW 7 - ./2 pointsWalker4 29.P.091.My Notes | A small star...

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