Find the radius of the star

Assignment Help Physics
Reference no: EM13508776

The hot glowing surfaces of stars emit energy in the form of electromagnetic radiation. It is a good approximation to assume e=1 for these surfaces.

a) Find the radius of the star (assumed to be spherical) Rigel, the bright blue star in the constellation Orion, that radiates energy at a rate of and has surface temperature 11000.

b) Find the radius of the star (assumed to be spherical) Procyon B (only visible using a telescope), that radiates energy at a rate of and has surface temperature 10000.

Reference no: EM13508776

Questions Cloud

Benefit from having a more collectivist orientation : Do you think the United States would benefit from having a more collectivist orientation as in a belief that members of society should assume responsibility for another welfare similar to some other capitalist countries such as Canada or Sweden? Expl..
How much work is done on the canister : The only force acting on a 10.0 kg canister that is moving in an xy plane has a magnitude of 5.0 N. How much work is done on the canister by the 5.0 N force during this time
Find the resultant force using the polygon method : The following three forces act simultaneously on the same object. A = 300 N, 300 N of E; B = 600 N, 2700; and C = 100 N due east. Find the resultant force using the polygon method
Monopolistic competition-oligopoly and monopoly : Discuss how supply and demand would be affected under each of the four degrees of competition (pure competition, monopolistic competition, oligopoly, and monopoly).
Find the radius of the star : The hot glowing surfaces of stars emit energy in the form of electromagnetic radiation. It is a good approximation to assume e=1 for these surfaces. Find the radius of the star
What is civic and what is ethnic nationalism : What is civic and what is ethnic nationalism? Why did the author argue that ethnic nationalism is the most devastating force in the world today? Do you agree or disagree?
More autonomous and less closely supervised : I am having a hard time understanding what it means by a social worker being closely supervised having less autonomy or should they be more autonomous and less closely supervised. Can anyone help me with this?
What is work done on the box by friction : A girl pulls a box of mass m = 6 kg across a floor with a constant horizontal force F = 22 N. Initially the block is at rest. For the first d1 = 7 m, What is work done on the box by friction in moving the box over the distance d1 + d2
Concepts of ifrs and international accounting issues : Select a multinational company Sony Your company must havesegments, inventory, and accounts receivable.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd