woodsc70 woodsc70

07-06-2024
Physics

Answered

We observe an elliptical galaxy with a total mass =10¹²⊙. and a line-of-sight velocity dispersion of 200m.
(a) Given that the total K-band luminosity of the galaxy is =5×10¹⁰⊙., what is the mass of its dark matter halo? (assuming a reasonable mass-to-light ratio for the stars in the galaxy).

Answer :

Other Questions

Which of the following is correct regarding the Earned Income Credit (EIC)?A. Earned Income Credit (EIC) is a refundable tax credit for workers whose incomes fa

What are some media types

Identify the correct statements about the Indian Constitution:1. It establishes India as a Sovereign, Socialist, Secular, Democratic Republic.2. It guarantees F

in chapter 14 of restart what did chase and Shoshanna find in mr solways closet

Drag each tile to the correct box. Not all tiles will be used.Arrange the steps in the correct order to solve this trigonometric equation:[tex]\[2 \sin^2 x - \s

Convert [tex]\( 749 \, \text{nm} \)[/tex] to meters. [tex]\( (1 \, \text{m} = 1 \times 10^9 \, \text{nm}) \)[/tex]Show your work and report your answer with cor

In the context of government and law, what is the primary purpose of a constitution?A. To establish the principles and framework of a government.B. To regulate

What is the primary function of a cost calculator in project management?A) To estimate the total expenses required for a projectB) To analyze the environmental

29. Продовжіть числовий ряд:[tex]\[ 255, 127, 63, 31, 15, 7, \ldots \][/tex]30. Продовжіть числовий ряд:[tex]\[ 54, 19, 18, 14, 6, 9, \ldots \][/tex]Ключ до тес

Bill decided to rearrange his bedroom by moving his dresser to the opposite wall. He tried pushing it, but found that the dresser would not move. What force was