The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2 % of the mass needed.

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Answer 1

Question

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

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Students have asked these similar questions

The critical mass density needed to just halt the expansion of the universe is approximately 10-26 kg/m3. Convert this to eV/c2.m3 .

The mass of the neutrino plays an important role in the universe. Suppose the mass of two neutrinos in the universe is 4.8×10-³5 kg and the current Hubble’s constant is 72 km/s/Mpc. The critical density of the universe is five times the average density of the universe. Estimate the number of neutrons present per cubic meter in the universe. (a) 2.1×10⁹ (b) 4.1×10² (c) 1.1x10° (d) 8.1×107

The critical mass density needed to just halt the expansion of the universe is approximately 10-26 kg/m3. Find the number of neutrinos per cubic meterneeded to close the universe if their average mass is 7 eV/c2 and they have negligible kinetic energies.

Answer 2

Question

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

Answer 6

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

Answer 7

Chapter 44, Problem 44GP

(a)

To determine

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

Answer 8

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

Answer 9

(b)

To determine

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

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Answer 13

Ch. 44.1 - Suppose we could place a huge mirror 1 light-year...Ch. 44.2 - Prob. 1BE Ch. 44.4 - What is the Schwarzschild radius for an object...Ch. 44.4 - A black hole has radius R. Its mass is...Ch. 44.9 - Prob. 1EE Ch. 44 - The Milky Way was once thought to be murky or...Ch. 44 - Prob. 2Q Ch. 44 - Prob. 3Q Ch. 44 - Prob. 4Q Ch. 44 - Prob. 5Q

The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2 % of the mass needed.

Solution Summary: The author explains that the neutrino mass that would provide the critical density to close the universe is 2% of the mass needed

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The neutrino mass that would provide the critical density to close the universe when the nucleons are made up 2% of the mass needed.

The neutrino mass that would provide the critical density to close the universe when nucleons are made up 5% of mass needed.

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Chapter 44 Solutions