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- Need homework help An object is measured to be at a distance of 20 Megaparsecs away from Earth. Using a currently accepted value of the Hubble constant, calculate its expected velocity away from Earth due to cosmic expansion.What is meant by the critical density of the universe? Why is this quantity important to cosmologists?ms of appeal in Pirate Port I Public 0f Whiworth Fibrary A Z Databases Course Homne X Join comershon Book a Flight: Best https://openvellum.ecollege.com/course.html?courseld-155442638HeplD=c5fa803dae2fe486ce2b2d26e3f885b8#10001 PS151-2, Physics with Dr. Z. 2019 Hi, Nicole Sign Out Help ysics Course Home KHW 18 Dr. Z recommends problem 5 5 of 6 When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work you do against the drag force of the air. Model a cyclist as having croSs-section area 0.48 m and, because the human body is not aerodynamically shaped, a drag coefficient of 0.90 Review What is the cycists power output while riding at a steady 7.3 m/s (18 mph)? Express your answer to two significant figures and include the appropriate units LA Value P= Units Submit Request Answer Part B Metabolic power is the rate at which your body "burms" fuel to power your activities. For many activities, your body is roughly 25 chemical energy of food into…
- Give examples of nonbaryonic matter.Hubble's galaxy classification diagram (the "tuning fork") O suggests the existence of black holes O shows how galaxies evolve from one form to another O relates galaxies according to their shapes, but not according to any evolutionary status O explains active galactic nuclei EGOWhat is arrow positioning in comsol multiphysics?
- Where did the v1= -.15v2 come from?With the aid of a diagram, explain the physical origin of cosmological redshift in an expanding universe, and how this differs from the Doppler shift due to relative motion. Observations of distantgalaxies indicate that their recession velocities, v, and their distances, d, follow a Hubble Law:v = H0d, where H0 is a constant. Using the analogy of an expanding grid or ruler, demonstratethat Hubble’s Law indicates that the Universe is undergoing uniform expansion.How long will a 7 solar mass balck hole live?
- Tracy Charles-ONL X 9 US History_US_His x H Central Park Five: C x ATuesday Force and x Amplify Curriculum x A Amplify Curricu learning.amplify.com/curriculum/#/unit/8a31e0f9506c8fa201525f9744db649b:2020-2021/cardstack/ff80808156991d150157342b5d4b4185/ff8. nNewsela A Amplify n NoRedink Classroom Dallas Center-Grim. Get More Math Britannica C Clever | Select your. Spo 2 HOMEWORK Homework WARM-UP READING STUDENT-TO-STUDENT Warm-Up Active Reading: "Crash!" DISCUSSION Discussing Annotations If two objects crash into each other, what happens? Are both objects affected? How? If you can, give an example to support your ideas. Scroll for moreA galaxy is observed to have emission lines of blue hydrogen lines of 434 nm. If the galaxy has a a recessional velocity of 0.916c calculate the observed wavelength.How do matter and antimatter differ?