The wavelength of a photon has been redshifted from 495 nm to 505 nm. What is the Redshift of the photon? What is the velocity of the photon source in both SI and US units? (2 separate answers to 2 decimal places)
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The wavelength of a photon has been redshifted from 495 nm to 505 nm.
What is the Redshift of the photon? What is the velocity of the photon source in both SI and US units? (2
separate answers to 2 decimal places)
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- Of 1.5, 3, 5, and 10 give the maximum apparent speeds. 2. Consider a relativistic jet with an angle of 70 degrees relative to the line of sight (i.e. it is almost, but not quite perpendicular to the line of sight). Let its value of gamma for the motion be 3. (a) Will it appear superluminal? (b) Will it appear to be brighter or fainter than it would in its own rest frame? 3. State whether the following reactions are possible under special relativity. If not, explainThe Big Bang that began the universe is estimated to have released 1068 J of energy. How many stars could one sixth of this energy create, assuming the average star's mass is 4.05 ✕ 1030 kg?Scientists are conducting an experiment to determine if their hypothesis that a certain constant in the universe is 1.65. the uncertainties in the experiment result in a relative uncertainty of no more than 2%. After several experimental trials, the scientists obtained an average value of 1.7 for the constant. What can be said about the scientists hypothesis? Hint calculate the percent error and compare it to the relative uncertainty.
- Please answer all three parts! Thank you. Stanford has a linear particle accelerator (SLAC) which is 3 km long that produces electrons with a total energy of 50 GeV. These electrons lead exciting (albeit brief) lives, zooming along the accelerator before slamming into a target to produce other high-energy particles. a. Consider the viewpoint of one of the electrons. From the electron’s point of view, how long is the accelerator? Note that it is possible to answer this question without calculating the electron’s velocity. b. Let’s figure out how fast the electrons are traveling. Start by solving for β = u/c in terms of 1/γ following the trick we used in class. Use the binomial expansion if that is helpful. At what speed does a 50 GeV electron travel? c. The Large Hadron Collider (LHC) at CERN presently accelerates protons to a total energy of 6.5 TeV. Imagine a pulse of light, a 50 GeV electron, and a 6.5 TeV proton race each other along a 3 km distance. The light pulse will surely win…Use the approximate values from this table to solve the problem. How many heartbeats are there in a lifetime?What is the velocity of a proton with a kinetic energy of 3.4 eV. Give your answers in 105 m/s with 3 decimal places.
- The mass of a proton is 1.67 × 10-27 kg. A. Find the rest energy in joules. B. Find the rest energy in mega-electron volts.If you have a positive look (pi+, mass: mpi = 2.50 x 10-28 kg) at rest and it decays to a positive muon (u+, mass: mu = 1.88 x 10-28 kg) and a neutrino. 1. How much gas is released during the decay process in MeV? If the rest mass of a neutrino is assumed to be negligible. 2. Why is the neutrino required for this decay to occur?help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
- surface, denoted by “g”. In this imaginary experiment, you have measured g three times. The values you obtain are: g1 = 10.2 meters per second squared (m/s2) g2 = 10.4 m/s2 g3 = 10.0 m/s2 To find the Average Value of g, denoted by gav, simple add up the experimental values and divide by the number of experimental values you have: g1 + g2 + g3 10.2 + 10.4 + 10 gav = __________ = ____________ = 10.2 m/s2 . 3 3 Percent Error (PE) To find the Percent Error (PE), you compare the average experimental value to the standard or handbook value of the physical quantity you are measuring. The Standard Value of gravitational acceleration at Earth’s surface , gst, is 9.8 m/s2. Mathematically, PE is defined as: (Average - Standard)…Needs Complete typed solution with 100 % accuracy.Astronomers use a light-year to measure distance. A light-year is the distance light travels in one year. The speed of light is approximately 300,000 km/sec.a. How long is 1 light-year in kilometers?b. The nearest star (other than the sun) is Alpha Centauri. It is 4.34 light-years from Earth. How far is that in kilometers?c. How long will it take a rocket traveling 42,000 km/hr to reach Alpha Centauri?