What is the star surface temperature

Assignment Help Physics
Reference no: EM131694368

The bright star Sirius in the constellation of Canis Major (the Large Dog) has a radius of 1.67 R? and a luminosity of 25 L?. (a) What is the energy flux at the surface of Sirius? (b) What is the star's surface temperature?

Reference no: EM131694368

Questions Cloud

Confidence interval for the average amount of protein : If this conclusion is based on a random sample of 50 half-cups of edamames and the sample standard deviation is 3 grams, construct a 95% confidence interval.
Discuss the ability of constituents to demand assistance : the ability of constituents to demand assistance and in the federal government's response to their demands
Causes the color of the nebula : At what wavelength does the red Ha line of hydrogen (which causes the color of the nebula) appear in the nebula's spectrum?
Analyze professional communication examples to assist : Analyze professional communication examples to assist in revision. Provide an appropriate and professional greeting / salutation.
What is the star surface temperature : (a) What is the energy flux at the surface of Sirius? (b) What is the star's surface temperature?
Discuss states and local school districts : DeBray-Pelot and McGuinn analyze the changing landscape of federal involvement in education and its impact on states and local school districts
Find proportion of executives who would like to start over : Construct a 95% confidence interval for the proportion of all executives who would like to start over, assuming the sample used was random and representative.
Determine the mass of the planet : Determine the mass of the planet and whether an astronaut standing on this new planet weighs more, less, or the same
Discuss the modern business corporation : Which is an accurate statement about the modern business corporation

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