The hydrogen Balmer line Hγ has a wavelength of 434.0 nm in the laboratory. It is observed in a quasar at 651.0 nm. What is the recessional velocity of this quasar? a. 217.0 b. 2 c. 1.5 d. 0.67 e. 0.5
Q: The temperature of the CMB today is T=2.725 K. Calculate the temperature of the CMB at redshift…
A: Given T = To = 2.725 K z = 2000 Temperature of CMB at redshift 'z' is given by T = To (1+z)
Q: The Andromeda Galaxy, M31, is the closest large spiral Galaxy to our Milky Way. When we lookat its…
A: The Doppler effect is the change in frequency or wavelength of a wave due to the relative motion of…
Q: Two planets are on a collision course, heading directly towards each other at 0.250c. A spaceship…
A: We know that-Relativistic velocity of transformation is, u= v+u'1+u'vc2 ..... Equation 01where,…
Q: 10. Sirius is about 9.00 ly from Earth. To reach the star by spaceship in 15.0 y (ship time), how…
A: Given:- Sirius is about 9.0 ly from the earth To reach the star by spaceship in 15.0 y(ship time )…
Q: A stationary telescope monitoring a rocket ship observes the ship emitting flashes of light at…
A:
Q: 2. Imagine that you live in a universe where the speed of light is only 100 m/s. Discuss the kind of…
A:
Q: 10. An proton-antiproton pair is produced by a 1.95 x 10° MeV photon. What is the kinetic energy of…
A: Kp'= 1950 - [55.35 + 938] - 938 Kp' = 1950 - [993.35] -938 Kp' = 1950 - 1931.35 Kp'= 18.65 Mev
Q: what does this mean? I dont know what is being squared and what is a new thought.
A: Given: The mass of the black hole is 20 times the sun's mass. The distance from black…
Q: Galaxies at the furthest reaches of the universe are moving away from us at speeds greater than…
A: About speed of light .
Q: 1. Amuonis created by a cosmic ray interaction at an altitude of 60 km. Imagine that after its…
A: Given:Muon is created at an altitude of 60 km.Speed of the muon = 0.998 cTime taken by the muon to…
Q: In 2030, the Australian Space Agency launches a spaceship to our nearest neighbour Alpha Centauri (4…
A: Given: Distance between Australian space agency and Alph Centauri, d=4 ly Speed of spaces according…
Q: Problem 3. Consider a flat, single component universe. 1. For a light source at redshift z that is…
A: Given a flat single-component universe. 1.) The Hubble parameter is defined by…
Q: What were the two independent observations in the late 1990's that pointed to the existence of a…
A:
Q: Does the universe have a center? Explain.
A: No, it does not have a centre. As the big Bang theory suggests.
Q: Problem 2. The redshift is defined to be the quantity Job — Xem Xem where Aob and Aem are…
A: Given that: z=λo-λemλem
Q: a.) Galaxy B moves away from galaxy A at 0.521 times the speed of light. Galaxy C moves away from…
A: Given ( a )Galaxy B moves away from galaxy A at 0.521 times the speed of light Galaxy C moves away…
Q: What was the most startling discovery about the universe that occurred in 1998? O its expansion is…
A:
Q: Four-vectors 31. A proton with a momentum of 200 GeV/c collides with a proton at rest. Calculate the…
A: Step 1: Given data :The total energy in the center-of-mass system for the proton-proton collision is…
Q: 3. Consider the following two universes: Universe I: flat, matter-dominated with no cosmological…
A:
Q: What is the peak wavelength (in nm) of a neutron star's luminosity if its temperature is 106 K?
A: As we know that Using weins displacement law,λmax T = b -----(1).where b is a constant. known as…
Q: 3. The spacetime diagram shows four supernovae events at A, B, C, and D. These supernovae arc…
A: (a) Introduction: A light cone is a path that a flash of light, emanating from a single event…
Q: The flatness problems states that a. the density of the universe is very close to the critical…
A: The flatness problem is a fine tuning problem of cosmology in the Big-Bang theory. Here, density of…
Q: image15
A: We are authorized to answer the first question only. Please re-post the remaining questions…
Q: The peculiar system SS 433 I. is emitting beams of energy and matter. II. is producing a…
A: We know that, The peculiar system SS 433 is emitting beams of energy and matter & producing a…
Q: Certain spiral galaxy is 9.7 Mpc away from us. How fast in km/s is this galaxy moving away from us?
A: Given, Distance of Galaxy is = 9.7 MPC We need to calculate, velocity of Galaxy is = ?
Q: In the standard model, about when after the Big Bang did the universe become transparent to…
A: Ans is :- C
Q: A high-speed K meson is traveling at a speed of 0.95c when it decays into a and ar meson. What are…
A: Strategy:- The velocity of the meson is calculated by using relativistic kinetic energy equation…
Q: Which of these expressions is used to obtain an eigenvalue of a dynamical variable or an observable…
A: From the given question, we have to find the expression used to obtain an eigenvalue of a dynamical…
Q: The speed of light in vacuum is 300,000 km/s. Suppose that the pulse rate of a pulsar is 0.001 s.…
A: Solution: It is given that, For a 0.001 s pulse time, the scale must be less than 300 Km. It…
Q: The hydrogen Balmer line Hβ has a wavelength of 486.1 nm in the laboratory. It is observed in a…
A:
Q: 1. This problem is about ¹ mesons which have a lifetime of 2.6×10-8[sec]. 1a. At what speed must…
A:
Q: If the mass density of the universe is above the critical density as it appears to be with the mass…
A: Given, The mass density of the universe is above the critical density.
Q: What is the approximate temperature of the universe that we currently observe? a. 0 K b. 2.7 K…
A: The temperature of the universe recently measured by the scientists is 2.73 Kelvin.
Q: Which of the following is true about the astronomical object known as MB7! O a M87 is the result of…
A: Neutron stars are very dense dead stars. In the second collision, a black hole of 10 solar masses…
Q: [Special Relativity] Two photons with energies E and 3E in the lab frame are colliding head-on. What…
A: Two photon having Energies E and 3E respectively are colliding head-on.
Q: 22. Using Newton's Law of Gravitation, what would happen to the magnitude of a force between two…
A: Isaac Newton proposed the Law of Gravitation in his book Principia. According to this law, everybody…
Q: For systems of non-interacting particles, show that PV > (N)kgT for femions and PV < (N)kgT for…
A:
Q: What situation leads to the emission of ight that see from black hole jets? Oa Hawking radiation is…
A: Hey dear have a look
Q: What speed should a galaxy move with respect to us so that the sodium line at 589.0 nm is observed…
A:
Q: In 1998, it was announced that the expansion of the universe is accelerating. What does this imply…
A: The expansion of the universe is accelerating it means universe is always expanding and it will…
Q: The universe has been said to be closed if I. gravity is strong enough to stop the expansion in a…
A: i) right The gravity is a kind of force which bound the universe or can say it hold the stars…
Q: The red-shift of a galaxy observed by us corresponds to a speed of 50000 km/s. How far is the galaxy…
A:
Q: If you have a positive look (pi+, mass: mpi = 2.50 x 10-28 kg) at rest and it decays to a positive…
A: Here is the step-by-step explanation 1. Energy Released During Decay in MeV:Step 1: Use formula:The…
Q: 4. Black holes are theorized to form from (HS-ESS1-3) a. very massive planets that collide with very…
A: Black holes are the most dense objects found in the entire universe. They are so dense that a…
Q: Using the principles of conservation of energy and momentum, show that in the decay of a pion at…
A:
| a. |
217.0
|
|
| b. |
2
|
|
| c. |
1.5
|
|
| d. |
0.67
|
|
| e. |
0.5
|
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
