The cosmic rays of highest energy are protons that have kinetic energy on the order of 1013 MeV. (a) From the point of view of the proton, how many kilometers across is the galaxy? (b) How long would it take a proton of this energy to travel across the Milky Way galaxy, having a diameter ~ 105 light-years, as measured in the proton’s frame?

Q: An atomic clock moves at 1500 km/h for 2.00 h as measured by an identical clock on the Earth. How…

A: Using time dilation, time difference between the clock on Earth and the moving atomic clock…

Q: A particle has a mass of  3.4E-28kg is propagating at relativistic speeds and has an energy of…

A:

Q: (a) What is the momentum (in kg m/s) of a proton moving at 0.806c? kg. m/s . (b) At what speed (in…

A: a) Write the expression for the momentum and substitute the corresponding values. p=mv1−v2c2p=(938…

Q: The mass of an electron is 9.109 381 88 * 10-31 kg.To eight significant figures, find the following…

A: The kinetic energy of a relativistic particle,

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Q: Two particles in a high-energy accelerator experiment are approaching each other head-on, each with…

A: Given that:In a high energy accelerator experiment, two particles are approaching each other head-on…

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A: The objective of this question is to calculate the lifetime of a neutron as measured by an observer…

Q: What is the speed of the particle

A: According to the theory of relativity E = m x c2   Where E is energy m = mass c = speed of light

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A: (a) Given: The Earth and Alpha Centauri are separated in the star frame by 4.4 light years. The time…

Q: Beta decay is nuclear decay in which an electron is emitted from an atom. If the electron is given…

A:

Q: A chain of nuclear reactions in the Sun's core converts four protons into a helium nucleus. (Use…

A: mp = 1.67262 x 10-27 kg mh = 6.64466 x 10-27 kg ∆m = ? E = ?

Q: There are electrons in a 2 mi linear accelerator that reach a final velocity vf = 0.9999999997c. If…

A: length of accelerator with respect to the electron frame L=L01-v2c2 = 2 mi…

Q: How many electrons are in each beam?

A: The total charge present in each beam can be given as, Here, I, q, and t represent the electron’s…

Q: A proton has a kinetic energy of 128MeV What is the speed of this electron? (as a fraction of c)

A: Protonkinetic energy (KE)=128 MeV

Q: An alien spaceship has a mass ofm= 3.2×109kg, and according to the crew, onboard the bow-to-stern…

A: mass of spaceship (m) = 3.2×109 kg Length measured onboard (Lo) = 680 m Length measured by…

Q: In this problem, we will try to understand why chemical reactions cannot power the Sun, but nuclear…

A: Given that: Luminosity, L.=3.827×1026 J/sEnergy emitted from chemical reaction between a pair of…

Q: Beta-decay is nuclear decay in which an electron is emitted from an atom. If the electron is given…

A:

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Q: An electron has total energy 2.50 MeV. Find (a) its kinetic energy and (b) its speed.

A:

Q: A small meteor, moving through the Solar at a speed of 0.70 c relative to the Earth, has a mass of…

A: Given data:  Speed (V) = 0.70 c Mass (m) = 10.2 kg c = 3×108 m/s

Q: How far from the earth would you be able to travel in a lifetime of 74 years if you were able to…

A:

Q: Electrons are accelerated through a potential difference of 750 kV, so that their kinetic energy is…

A: Potential difference through which the electrons are accelerated (V)=750 kV Kinetic energy of the…

Q: -nergy 2.50 MeV. Find

A: It is given that the total energy of electron is E=2.50 MeV. We have to find the electron's kinetic…

Q: How far from the earth would you be able to travel in a lifetime of 75 years if you were able to…

A: Given:lifetime, ∆t0 = 75 yrsspeed, v = 0.62 c

Q: The mass of an electron is 9.109 381 88 x 10-31kg. Find (a) y and (b) 3 for an electron with kinetic…

A: Given that, Mass of electron, m = 9.10938188 * 10-31 kg Kinetic energy, E = 32.1024 MeV We know…

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A:

Q: As a result of the collisions of cosmic rays with atoms in the upper atmosphere, muon particles are…

A: Muon is an unstable particle and will decay very fast. It follows the exponential decay function…

Q: In a proton accelerating machine, these particles in a beam move almost simultaneously speed of…

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Q: A particle detector can be used to measure the speed of an unstable particle if the lifetime is…

A:

Q: An electron and a proton are detected in a cosmic ray experiment, the first with kinetic energy 10…

A: We have,           Ke=10 keV    and   Kp=100 keVme=9.11×10-31 kg mp=1.67×10-27 kg

Q: A proton in a large accelerator has a kinetic energy of 175 GeV. (a) Compare this kinetic energy to…

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Q: An electron is accelerated from rest through a potential difference of 2.5 × 106 V. (a) What is the…

A: Given,The electron is accelerated through a potential difference, ∆v = 2.5×106 VThe charge of the…

Q: spacecraft is traveling at ~v = 38.4km s (yes, that is a reasonable speed for a rocket). How long…

A: Given: The speed of the rocket is 38.4 km/s. The distance from the earth to the moon is 384 Mm.

Q: In one year the United States consumption of electrical energy was about 2.2*0^12 kW  h. (a) How…

A: a) The mass-energy relation is given by,