Essential University Physics
4th Edition
ISBN: 9780134988566
Author: Wolfson, Richard
Publisher: Pearson Education,
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Chapter 39, Problem 7FTD
To determine
How Hubble’s low holds without the universe having center.
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Sketch a caricature or diagram of the situation or phenomenon showing that
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Chapter 39 Solutions
Essential University Physics
Ch. 39 - Prob. 1FTDCh. 39 - Prob. 2FTDCh. 39 - Prob. 3FTDCh. 39 - Prob. 4FTDCh. 39 - Name the fundamental force involved in (a) binding...Ch. 39 - Prob. 6FTDCh. 39 - Prob. 7FTDCh. 39 - Prob. 8FTDCh. 39 - Describe the origin of the cosmic microwave...Ch. 39 - The radiation that we observe as the cosmic...
Ch. 39 - Prob. 11ECh. 39 - Prob. 12ECh. 39 - Prob. 13ECh. 39 - Prob. 14ECh. 39 - Prob. 15ECh. 39 - Prob. 16ECh. 39 - Prob. 17ECh. 39 - Prob. 18ECh. 39 - Prob. 19ECh. 39 - Prob. 20ECh. 39 - Prob. 21ECh. 39 - Prob. 22ECh. 39 - Prob. 23ECh. 39 - Prob. 24ECh. 39 - Prob. 25ECh. 39 - Prob. 26ECh. 39 - Prob. 27ECh. 39 - Prob. 28ECh. 39 - Prob. 29ECh. 39 - Prob. 30ECh. 39 - Prob. 31ECh. 39 - Prob. 32ECh. 39 - Prob. 33ECh. 39 - Prob. 34ECh. 39 - Prob. 35PCh. 39 - Prob. 36PCh. 39 - Prob. 37PCh. 39 - Prob. 38PCh. 39 - Prob. 39PCh. 39 - Prob. 40PCh. 39 - Prob. 41PCh. 39 - Prob. 42PCh. 39 - Prob. 44PCh. 39 - Prob. 45PCh. 39 - Prob. 46PCh. 39 - Prob. 47PCh. 39 - Prob. 48PCh. 39 - Prob. 49PCh. 39 - Prob. 50PCh. 39 - Prob. 51PCh. 39 - Prob. 52PCh. 39 - Prob. 53PPCh. 39 - Prob. 54PPCh. 39 - Prob. 55PPCh. 39 - Prob. 56PP
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- Why cant an open universe have a center? How can a closed universe not have a center?arrow_forwardExplain why Hubble’s parameter, with its value today called Hubble’s constant, is not actually a constant.arrow_forwardThe critical density of a universe is around 5×10-27 kg/m³. Estimate the Hubble constant for this universe.arrow_forward
- The visible section of the Universe is a sphere centered on the bridge of your nose, with radius 13.7 billion light-years. (a) Explain why the visible Universe is getting larger, with its radius increasing by one light-year in every year. (b) Find the rate at which the volume of the visible section of the Universe is increasing.arrow_forwardCan i get help with this hubble's law questions?arrow_forwardThe matter density in the Universe today is ?m=2.7×10−27kgm−3. What would be the value of the density parameter, Ω0, if the Hubble constant had the value H0 = 38 km/s/Mpc?arrow_forward
- Use the Friedmann equations to show that the deceleration parameter go and the density parameter 2 are related through qo = 2/2 for a universe containing only dust.arrow_forwardWhat would be the Hubble constant if the universe were 18 billion years old?arrow_forwardA certain galaxy is observed to be receding from the Sun at a rate of 8000 km/sec. The distance to this Galaxy is measured independently and found to be 1.4 x 10 to the eighth power pc. Using this data, what is the value of the Hubble constant ?arrow_forward
- What is hubble lawarrow_forwardWhy do Weinberg and other scientists seriously consider the possibility that the Standard Model is just a tentative explanation for the composition of the universe? No handwrittenarrow_forward(a) Calculate the approximate age of the universe from the average value of the Hubble constant, H0 = 20km/s ⋅ Mly . To do this, calculate the time it would take to travel 1 Mly at a constant expansion rate of 20 km/s. (b) If deceleration is taken into account, would the actual age of the universe be greater or less than that found here? Explain.arrow_forward
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