Beta-decay is nuclear decay in which an electron is emitted from an atom. If the electron is given 0.65 MeV of kinetic energy, what is its velocity, as a fraction of the speed of light? You will have to assume the electron is moving relativistically.

Q: What must be the speed of an electron for its relativistic kinetic energy to be equal to its rest…

A: The relativistic kinetic energy (KE) of the electron is equal to the rest energy (E).

Q: A rocket cruises past a laboratory at 1.10 × 106 m/s in the positive x-direction just as a proton is…

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Q: An electron is moving in circular motion with uniform speed 0.95 c, where c is the speed of light in…

A: Velocity of electron= 0.95 c

Q: What is the speed of a particle whose kinetic energy is equal to (a) its rest energy and (b) five…

A: (a) The expression of kinetic energy is given by, Ek=mc211-v2c2-1...…(1) Here, m is the mass of the…

Q: What is the speed of an electron with kinetic energy (a) 750 eV, and (b) 3.2 keV?

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Q: Calculate the kinetic energy of a proton whose momentum is 2 MeV/c

A: Given  Momentum of proton p = 2 MeV/c To find  Kinetic energy of proton Solution E = p2/2m p = 2 MeV…

Q: An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt= −2.5√v where v…

A: Given value--- An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt=…

Q: A particle travels at 1.90 x 108 m/s and lives 2.10 x 10-8 s when at rest relative to an observer.…

A: The decay time in the rest frame is, The particle’s velocity is,

Q: An electron in a particle accelerator has a total energy that is 498 times its rest energy. What is…

A: Given that:- Total energy of electron is equal to 498 times the rest energy of electron.

Q: Two particles are created in a high-energy accelerator and moves off in opposite directions. The…

A: Write the expression for the speed of the second particle.

Q: A space ship traveling toward Mars at 0.6 times the speed of light c shoots an ELECTRON beam at…

A: The formula for the relative velocity of the electron is:

Q: An electron is accelerated to an energy of 20 MeV. Determine: a) its kinetic energy b) its momentum…

A: Given:- The total energy of the electron is E = 20 MeV  Find:- a) its kinetic energyb) its…

Q: At what speed, as a fraction of c, will a moving rod have a length 60% that of an identical rod at…

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Q: Calculate the momentum of a 938-MeV proton. Rest energy of proton is 938-MeV. A. 938 MeV/c B. 1876…

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Q: what will be the velocity of light as seen by an observer at rest?

A: according to Galileo's classical view of relativity light is treated as all other things.

Q: Compute the kinetic energy of a proton (mass 1.67 * 10-27 kg) using both the nonrelativistic and…

A: Given data The mass of the proton is m=1.67×10-27 kg The first speed of proton is v1=8.00×107 m/s…

Q: What is the rest energy (in MeV) of an atom with an mass of 8.94 u.

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Q: What is the speed of a proton whose kinetic energy is 2.4 keV ?

A: Given thatKinetic energy:T=2.4 kev =2.4×10-3 Mev1 ev=1.6×10-19 Jwe know,mass of protonMp=938.2723…

Q: An object moves by an observer at 0.400 c. The total energy of the object will be what factor times…

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Q: What is the momentum in MeV/c of an electron with a kinetic energy of 2.00 MeV?

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Q: An electron moves to the right with a speed of 0.90c relative to the laboratory frame. A proton…

A: Given

Q: When a uranium nucleus at rest breaks apart in the process known as fission in a nuclear reactor,…

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Q: An evacuated tube uses a potential difference of ΔV = 0.38 kV to accelerate electrons, which then…

A: Scenario - Electron initiating from rest accelerates and reaches up to a certain speed, with which…

Q: Two protons, each having a speed of 0.990c in the laboratory, are moving toward each other.…

A: Given data : Speed of protons is, v=v1=v2=0.990c

Q: What is the speed of a proton accelerated by a potential difference of 165 MV?

A: Kinetic energy of charge particle accelerated through potential difference is given as follows:…

Q: An extraterrestrial spaceship is moving away from the earth after an unpleasant encounter with its…

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Q: At the instant that a clock standing next to you reads t = 1.0 μs, you look at a second clock, 300 m…

A: The expression for find time taken by the light to reach the given distance is t=dv

Q: At what speed (in m/s) is the magnitude of a particle's relativistic momentum 20.8% larger than its…

A: Relativistic momentum p is classical momentum multiplied by the relativistic factor γ. p = γmu where…

Q: The star of a distant solar system explodes as a supernova. At the moment of the explosion, an…

A: Here given the spaceship is 15 AU away from the shock wave. The wave travels at 25000 km/sec.The…

Q: Six identical particles have a speed 2m/s except for the last ( which is the seventh) particle which…

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Q: What is the total energy, in MeV, ofa. A proton traveling at 99.0% of the speed of light?b. An…

A: Given   I)  Proton trravelling at 99.0% of the speed of light   ll)  Electron travelling at 99.0% of…

Q: The cosmic rays of highest energy are protons that have kinetic energy on the order of 1013 MeV. (a)…

A: We find gamma as,

Q: The star of a distant solar system explodes as a supernova. At the moment of the explosion, an…

A: The time taken by the spaceship to reach the speed of 25000 km/s or 25000000 m/s is  t=va where t is…

Q: Ignoring relativistic effects, what is the speed of an electron (m=9.11x10-31 kg) that has been…

A: Given Mass of the electron, m=9.11×10-31kg Potential difference, E=80.0kV Kinetic energy:  is a form…

Q: An electron has a speed of 0.750c. (a) Find the speed of a proton that has the same kinetic energy…

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Q: The half‑life of a certain subatomic particle at rest is about 1.00×10−8 s. With what speed V is a…

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Q: Two identical particles P and Q of rest mass m,, are moving with velocities 5c 2c and 19 in…

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Q: A spaceship passes a space-dock at speed 0.5 c. (A) Its length as measured by the space-dock…

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Q: pion is an unstable sub-atomic particle commonly produced in high-energy physics experiments. How…

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Q: The kinetic energy of a particle is 45 MeV. If themomentum is 121 MeV /c what is the particle’s…

A: Given data The kinetic energy of the particle is KE = 45 MeV. The momentum of the particle is p =…

Q: A particle has kinetic energy ( 62 Mev ) and momentum ( 335 Mev/c ). Calculate : 1- the particle…

A: 1. Find the particle mass. E2=mc22-pc2E2=m2c4-p2c2m2c4=E2+p2c2m=Ec22+pc2 Substitute the values.…

Q: Alpha decay is nuclear decay in which a helium nucleus is emitted. If the helium nucleus has a mass…

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