12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron star that has the same mass as the sun but a radius of only 20.0 km?

Q: Suppose you are designing a proton decay experiment and you can detect 50 percent of the proton…

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Q: esc a) 10 points) Gravitational Time Dilation. The escape velocity from the surface (radius r) of a…

A: The objective of the first part of the question is to express the time-dilation fraction, Δt/t, in…

Q: 12.4 (a) What is the average density of the sun? (b) What is the av- erage density of a neutron star…

A: Given: Mass of the Sun,MS=1.989×1030kgRadius of the Sun,RS=696340km=696340×103mRadius of the Neutron…

Q: What is the average density of a neutron star that has the same mass as the sun if the radius of the…

A: Given Data: Radius of neutron star, R=41.591 km=41.591×103 m Mass of neutron star =Mass of sun,…

Q: (a) In the deep space between galaxies, the density of atoms is as low as 106 atoms/m3, and the…

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Q: 1. a) Using the virial mass for a spherical distribution of stars of radius R and mass M, find how R…

A: A. The virial mass theorem states that for a system in virial equilibrium, the total kinetic energy…

Q: pe a noaAu un2 no on on 12.4 • (a) What is the average density of the sun? (b) What is the av- erage…

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Q: Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun…

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Q: What is the escape velocity Vesc of a 1.4M⊙ neutron star if its radius is 12 km? Express your answer…

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Q: a) Define the term “standard candle” as used in cosmology b). The flux is defined as f(Dlum) = L…

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Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron…

A: Mass of sun m=1.99×1030 Kg Radius of sun R= 6.96×108 m  Volume of sun V…

Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron…

A: (a) Mass of the sun, Msun=1.99×1030 kg Radius of the sun, Rsun=6.96×108 m

Q: 12.4 (a) What is the average density of the sun? (b) What is the av- erage density of a neutron star…

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Q: 2.1 (a) Write down the equation relating the energy E of a photon to its frequency f. Hence…

A: (a)We have to write down equation relating the energy E of a photon to its frequency f.The equation…

Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron…

A: Given that: Radius of the neutron star = 67.121 km let mass of sun= 1.98 X 1030 kg Radius of sun =…

Q: (a) Estimate the mass of the luminous matter in the known universe, given there are 1011 galaxies,…

A: Average mass of sun is 1.989 × 1030 kg And protons in sun is 3.7×1038

Q: Suppose that the universe were full of spherical objects, each of mass m and radius r . If the…

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Q: (a)In the deep space between galaxies, the density of atoms is as low as 106  atoms/m3, and the…

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Q: Suppose a star 1000 times brighter than our Sun (that is, emitting 1000 times the power) suddenly…

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Q: 12.4 (a) What is the average density of the sun? (b) What is the av- erage density of a neutron star…

A: We know that the density of an object is defined as the mass divided by volume. It can be given by :…

Q: The temperature (T) of a planet (ignoring any other sources of heating) is solely a function of how…

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Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron…

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Q: A space based observatory collects light emitted by a given galaxy. The light was initially emitted…

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Q: (b) if the radius of the neutron star is 40.785 km?

A: (b) mass of sun= 1.989 × 1030 kg = mass of neutron star(given) radius of neutron star = 40.785km=…

Q: Estimate the age of the universe (in Gyrs) at the time when radiation was emitted from an object…

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Q: In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section),…

A: Given:-              Neutron star mass = mass of the sun…

Q: In Exercise 12.4 of the book, University Physics 15th edition (see end of the Chapter 22 section),…

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Q: Suppose you collected a data set in which you measured fall-times for different fall-heights. You…

A: The relation between the fit parameter A from the given mathematical model to and the parameter g…

Q: In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section),…

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Q: Suppose [V] = L3, [ρ] = ML–3, and [t] = T. (a) What is the dimension of ∫ ρdV ? (b) What is the…

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Q: The "classical" radius of a neutron is about 0.81 fm (1 femtometer = 10-15 m). The mass of a neutron…

A: Given data: The radius of the neutron r=0.81×10-15 m The mass, of the neutron m=1.675×10-27 kg

Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron…

A: SOlution: Given that to find the average density of sun and of the neutron star

Q: In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section),…

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Q: Suppose that the universe were full of spherical objects, each of mass m and radius r . If the…

A: Critical density is the average density required for the universe to halt its expansion. Such a…

Q: Problem 28.04. The Big Bang that began the universe is estimated to have released 1068 J of energy.…

A: Energy released is E'=1068 J Average mass of star is m=4×1030 kg Note: 1 N=1 kg·m/s2 1 J=1 Nm Find:…

Q: (a) In the deep space between galaxies, the density of atoms is as low as 106 atoms/m3, and the…

A: Part (a) Given: The density od atom is n=106 atom/m3. The temperature is T=2.7 K. The expression…

Q: Electron degeneracy pressure in a white dwarf star, of uniform density p, in the nonrela- tivistic…

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Q: The Sun and all Main Sequence stars derive their luminosity by fusing hydrogen to helium; in…

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Q: a)Define the term “standard candle” as used in cosmology.  b)The flux is defined asf(Dlum) =…

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Q: In Exercise 12.4 of your book, University Physics 15th edition (see End of the Chapter 12 section),…

A: Given Radius of neutron star ,R=87.093 km

Q: 12.4 (a) What is the average density of the sun? (b) What is the av- erage density of a neutron star…

A: a. For calculating the average density of sun (ρsun), the expression used is, ρsun=MV…

Q: In Exercise 12.4, what is the answer for sub-item (b) if the radius of the neutron star is 70.617…

A: Given: Radius of neutron star = 70.617 km Mass equal to sun. Maas m = 1.989 × 1030 kg To determine:…

Q: Suppose one kg of antimatter came into contact with matter.  How would the explosive energy compare…

A: It is given that 1 kg of anti-matter comes in contact with 1 kg of matter. Then total mass is 2 kg.

Q: what is the answer for sub-item (b) if the radius of the neutron star is 68.283 km? (express your…

A: Density The density of a material is defined as the mass of the material contained in a one-meter…

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.