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Solved: Will the universe continue to expand forever To attack this

Solved: Will the universe continue to expand forever To attack this

Solved: Will the universe continue to expand forever To attack this Will the universe continue to expand forever? To attack this question, assume that the theory of dark energy is in error and that the recessional speed v of a galaxy a distance r from us is determined only by the gravitational interaction of the…

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Solved: Use Wien s law see Problem 37 to answer the following

Solved: Use Wien s law see Problem 37 to answer the following

Solved: Use Wien s law see Problem 37 to answer the following Use Wien’s law (see Problem 37) to answer the following questions: (a) The cosmic background radiation peaks in intensity at a wavelength of 1.1 mm. To what temperature does this correspond? (b) About 379 000 y after the big bang, the universe became transparent to…

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Solved: The wavelength at which a thermal radiator at temperature T

Solved: The wavelength at which a thermal radiator at temperature T

Solved: The wavelength at which a thermal radiator at temperature T The wavelength at which a thermal radiator at temperature T radiates electromagnetic waves most intensely is given by Wien’s law: (max = (2898 (m ( K)/T. (a) Show that the energy E of a photon corresponding to that wavelength can be computed from E =…

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Solved: What would the mass of the Sun have to be

Solved: What would the mass of the Sun have to be

Solved: What would the mass of the Sun have to be What would the mass of the Sun have to be if Pluto (the outermost “planet” most of the time) were to have the same orbital speed that Mercury (the innermost planet) has now? Use data from Appendix C, express your answer in terms of…

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Solved: If Hubble s law can be extrapolated to very large distances

Solved: If Hubble s law can be extrapolated to very large distances

Solved: If Hubble s law can be extrapolated to very large distances If Hubble’s law can be extrapolated to very large distances, at what distance would the apparent recessional speed become equal to the speed of light? View Solution: Solved: If Hubble s law can be extrapolated to very large distances

Solved: An object is 1 5 104 ly from us and

Solved: An object is 1 5 104 ly from us and

Solved: An object is 1 5 104 ly from us and An object is 1.5 ( 104 ly from us and does not have any motion relative to us except for the motion due to the expansion of the universe. If the space between us and it expands according to Hubble’s law, with H =…

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Solved: What is the observed wavelength of the 656 3 nm first

Solved: What is the observed wavelength of the 656 3 nm first

Solved: What is the observed wavelength of the 656 3 nm first What is the observed wavelength of the 656.3 nm (first Balmer) line of hydrogen emitted by a galaxy at a distance of 2.40 ( 108 ly? Assume that the Doppler shift of Eq. 37-36 and Hubble’s law apply. View Solution: Solved: What is the…

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Solved: Because of the cosmological expansion a particular emission from a

Solved: Because of the cosmological expansion a particular emission from a

Solved: Because of the cosmological expansion a particular emission from a Because of the cosmological expansion, a particular emission from a distant galaxy has a wavelength that is 2.00 times the wavelength that emission would have in a laboratory. Assuming that Hubble’s law holds and that we can apply Doppler-shift calculations, what was the distance…

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Solved: In the laboratory one of the lines of sodium is

Solved: In the laboratory one of the lines of sodium is

Solved: In the laboratory one of the lines of sodium is In the laboratory, one of the lines of sodium is emitted at a wavelength of 590.0 nm. In the light from a particular galaxy, however, this line is seen at a wavelength of 602.0 nm. Calculate the distance to the galaxy, assuming that Hubble’s…

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Solved: Using the up down and strange quarks only construct if

Solved: Using the up down and strange quarks only construct if

Solved: Using the up down and strange quarks only construct if Using the up, down, and strange quarks only, construct, if possible, a baryon (a) with q = +1 and strangeness S= -2 and (b) with q = +2 and strangeness S = 0. View Solution: Solved: Using the up down and strange quarks only construct…

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