The frequency of light reaching Earth froma particular galaxy is 15% lower than the frequency the light hadwhen it was emitted. (a) Is this galaxy moving toward or awayfrom Earth? Explain. (b) What is the speed of this galaxy relativeto the Earth? Give your answer as a fraction of the speed of light.

Q: The Schwarzschild radius, RS, of a black hole depends on its mass m, the speed of light c, and the…

A: Let's take the gravitational constant G=m3kg×s2 and try to get rid of m2 in the numerator and kg×s2…

Q: An astronomer on Earth observes red light at 680 nm from a distant galaxy. The astronomy knows that…

A:

Q: potential c

A:

Q: Near the center of our galaxy, hydrogen gas is moving directly away from us in its orbit about a…

A: The expression for the wavelength of radiation observer by the observer on Earth,

Q: Near the center of our galaxy, hydrogen gas is moving directly away from us in its orbit about a…

A:

Q: Our universe has properties that are determined by thevalues of the fundamental physical constants,…

A: According to relativity theory, we can calculate the relativistic length using the following…

Q: A muon has an average life time t_0 = 2.2μs from Earth's frame of referance. Needed distance for…

A: given that,t0=2.2 micro sdistance, d=6 kmspeed, v=2.978×108 ms-1

Q: The Small Magellanic Cloud is a dwarf galary orbiting the Milky Way at a distance of 50 kiloparsecs…

A: Given: The observed velocity of the Small Magellanic cloud relative to the Milky way is v = 207 km/s…

Q: Neutron stars are what are thought to cause pulsars. A pulsar is an astronomical radio source that…

A: Given that initial value of angular speed and ratio of of angular speed increased by a factor and…

Q: A star is 80 light years from Earth. How fast does a spacecraft have to be for the journey to last…

A: The objective of the question is to find out the speed of a spacecraft that would allow an astronaut…

Q: On the left (a) is your reference frame, where you see the muon travelling 2.01 km before colliding…

A: Given: proper length, L0=2.01 km contracted length, L=0.627 km To Find: time taken for muon to go…

Q: The speed of a gravitational wave is reported to be the same as the speed of light, which is 3.0 x…

A:

Q: Proxima Centauri, the closest star to our Solar System, is still at an average distance of…

A: The time taken by the light to reach the Earth from Proxima Centauri is given by,…

Q: Consider the same situation as in the previous question: A train travelling along the x-axis past a…

A: This question involves the concept of length contraction from the theory of special relativity. The…

Q: One of the wavelengths of light emitted by hydrogen atoms under normal laboratory conditions is 656…

A:

Q: What is the speed of light (c=3.0∗10^8 m/s )in miles per minute?

A: Given,  Speed of light (c)= 3×108 m/s

Q: In the “redshift” of radiation from a distant galaxy, the light Hy, known to have a wavelength of…

A: Given: Observed wavelength is 434 nm Appeared wavelength is 462 nm

Q: Jupiter to the sun by assu

A: Given: To calculate the distance of the Jupiter to the sun using the Newton's law as,

Q: The Global Positioning System (GPS) relies on very accurate atomic clocks aboard a network of 24…

A: Required :  If the GPS satellites have to take into account the special relativistic effects.

Q: The light from the sun takes 400 s to reach the earth. Assuming that the speed of the light is 2,…

A:

Q: The Starship Enterprise returns from warp drive to ordinary space with a forward speed of 51 km/s.…

A:

Q: SB.5 An event occurs at t = 6.0 s and x = 4.0 s in the Home Frame. The Other Frame is moving in the…

A:

Q: The time -dependent a cceleration of an object in ore dimension is given by alt) =843 where tis…

A:

Q: Q 2 Within a certain distance of a black hole, not even light can escape. This distance is called…

A: According to the question the black hole has same mass as the sun Mb = 2.0 x 1030kg since the…

Q: 1Which of the following was Einstein’s Second Postulate to the Special Theory of Relativity?   The…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A railroad flatcar is traveling to the right at a speed of 13.0 m/sm/s relative to an observer…

A:

Q: the rolar distance mean Earth is : 50 X 10 meters with a period oF 1. year, a What is the dir tance…

A: The period of earth TE=1 year The mean solar distance (semi major axis) of earth aE=1.50×1011 m…

Q: (a) Calculate y for a proton that has a momentum of 1.47 kg m/s. x (b) What is its speed (in m/s)?…

A:

Q: A meter stick moves past you, with its motion relative to you parallel to its long axis. If you…

A:

Q: You're caught running a red light on Hwy 316. Attempting to impress the skeptical patrol officer…

A:

Q: You are standing on the top deck of a cruise ship. The GPS on your phone tells you that you are…

A: Given Ship velocity and direction = 16.0 m/s, 70° E of S Wind velocity and direction = 15.1 m/s, 10°…

Q: Quasars are faint, distant sources of radio waves. (Quasar is short for "quasi-stellar source." They…

A: Solution

Q: Our universe has properties that are determined by thevalues of the fundamental physical constants,…

A: given,speed of light in alternate universe is 1000000 times less than it is in our universethat is…

Q: Our universe has properties that are determined by thevalues of the fundamental physical constants,…

A: The energy and mass of a particle is related by the famous equation, E0=mc2 where E0 is the rest…

Q: Two spaceships, A and B, fly by a space station. An observer on the space station uses a telescope…

A:

Q: One of the wavelengths of light emitted by hydrogen atoms under normal laboratory conditions is l =…

A: We know that,Relativistic Doppler shift , λ0λ0=λsc+vc-vwhere, λ0 is the wavelength observed in…

Q: A speeder tries to explain to the police that the yellow warning lights she was approaching on the…

A: The wavelength of the yellow light,

Q: A distant galaxy emits light that has a wavelength of 477.7 nm. On earth, the wavelength of this…

A: When an object is moving away from an observer, the observed wavelength of light from that object is…

Q: A laser pointer is placed on a platform that rotates at a rate of 19 revolutions per minute. The…

A:

Q: You are on an interstellar mission from the Earth to the 8.7 light-years distant star Sirius. Your…

A:

Q: How long does it take (in seconds) for light to travel from the Sun to Saturn if the Sun is roughly…

A: The speed of an object is given by v = dt, where d = the distance travelled by the object t = time…

Q: How long should it take the voices of astronauts on the Moon to reach the Earth? Assume that the…

A: The expression for the taken time is,