KE = +mv??

Q: An electron moves through the lab at a speed such that γ = 1.5. The electron’s kinetic energy isA.…

A:

Q: Find the speed parameter of a particle that takes 2.0 y longer than light to travel a distance of…

A:

Q: Earth's neighboring galaxy, the Andromeda Galaxy, is a distance of 2.54×107 light-years from Earth.…

A: Given, Distance, d = 2.54×107 light years  Time taken, t = 70 years

Q: an electron is accelerated through a potential difference of 1.5 MV and hence gains 1.5 MeV of…

A: kinetic energy gained due to potential difference (U) = 1.5 MeV Initial speed (u) = 0 msmass of…

Q: Osmium (the densest metal found on the periodic table) has a mass density, ρo = 22,500 kg/m3 when…

A:

Q: Consider a highly relativistic particle. Discuss what is meant by the term “highly relativistic.”…

A: If a particle travels with a speed, that is close to the light’s speed, is known as highly…

Q: The mass of a muon is 207 times the electron mass; the average lifetime of muons at rest is 2.20 ms.…

A: a)The time dilation equation is given by,

Q: Does the equation E= mc2 conflict with the conservationof energy principle? Explain.

A: Conservation of energy principle states that energy neither be created nor destroyed (by us),…

Q: . An electron is moving with a kinetic energy of 1.264 MeV. What is its speed? res na

A:

Q: A particle was made to accelerate to a speed of 0.7c inside a particle accelerator. The mass of the…

A: Given: The speed of the particle is 0.7c. The mass of the particle is 1.67x10-27 kg.

Q: In a race to the moon, by 3/4ths the distance, light is one or ten meters ahead of the particle.  We…

A: Given,

Q: If a massless particle has momentum 1,368 MeV/c, calculate its energy in MeV.

A: The given moment in MeV/c can be obtained in MeV as

Q: dentify the knowns, unknown(s), appropriate formula(s) then computation What is the speed of a…

A: Let the velocity be v , then relativistic kinetic energy = mc2(11-v2c2-1) and rest energy = mc2 ,…

Q: An electron in a hydrogen atom has a speed about the proton of 2.2x106 m/s. the relativistic and…

A:

Q: Why it is necessary to consider that mass of a particle is a function of its velocity?

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Q: An electron has a momentum that is 60% larger than its classical momentum. Find the speed of the…

A: Known data: Mass of an electron, m=9.1×10-31kg

Q: The particle in the above problems is known to have a rest mass of m = 1/9 x 10^-16 kg. What would…

A:

Q: In the nuclear fission of a 238U nucleus, "fast" neutrons are emitted with a speed of 0.6497c.…

A: Speed of fast neutron (v) = 0.6497 c Where " c" is the speed of light

Q: . A cheetah weighing 375 N chases a gazelle at a speed of 34.9 m/s.

A: A.Mass of pion:mπ=140 MeV/c2=140×106×1.6×10-19(3×108)2=2.49×10-28 kgSpeed, v=9.81×103 km/s=9.81×106…

Q: Electrons are accelerated through a potential difference of 850 kVkV , so that their kinetic energy…

A: GivenK.E of electron = 8.5 x 105 ev                        = 0.85 mevBy using relativistic…

Q: What is the rest energy (in joules) of a subatomic particle whose (rest) mass is 6.7×10−31 kg?  How…

A: Rest mass m0=6.7×10^-31 kg  Rest mass energy E=m0C2  C=3×10^8 m/s

Q: An electron, which has a mass of 8.45 x 10-31 kg, moves with a speed of 0.45c. Find its relativistic…

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Q: What speed must a particle attain before its kinetic energy is double the value predicted by the…

A: The relativistic kinetic energy of the particle is

Q: The length of a particles track from the position it was produced until its decay in a scattering…

A:

Q: Albert Einstein is pondering how to write his (soonto-be-famous) equation. He knows that energy E is…

A: To determine,The correct form of the equation of Energy by Elbert…

Q: An electron has a velocity v= 0.990c. (a) Calculate the kinetic energy in MeV of the electron. (b)…

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Q: If the lifetime of a particle when it is at rest is 81% of the observed lifetime of the particle,…

A:

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: How fast would a proton have to be traveling in order to have the same momentum as a photon with a…

A:

Q: What is the rest energy of a neutron? (c = 2.9979 x 109 m/s, mn = 1.6749 x 10-27)

A: If a particle has rest mass m and speed c then rest energy E = mc2

Q: An electron has a velocity v = 0.990c . (a) Calculate the kinetic energy in MeV of the electron. (b)…

A:

Q: According to E= mc2, how does the amount of energy in a kilogram of leathers compare with the amount…

A: Given:  1 kg leather  1 kg iron

Q: what is the rest energy in Mev of an atom with an mass of 9.8 u

A: Given, Mass of atom, m =  9.8u

Q: What speed must a particle attain before its kinetic energy is double the value predicted by the…

A: Kinetic energy of relativistic particle can be expressed as KER=E-E0=γE0-E0=γ-1E0=γ-1mc2

Q: What is the momentum of a 950-MeV proton (that is,its kinetic energy is 950 MeV)?

A: Total energy and momentum of a particle is related as- E2=p2c2+m02c4                     (1)where,E…

Q: The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by:  A)…

A: From the question it is given that momentum of photon: p = 10 MeVc Energy of a relativistic particle…

Q: An electron has a kinetic energy of 0.100 MeV. Find its speed according to classical and…

A:

Q: Prove that ym, does not equal the kinetic moving at relativistic speeds. energy of a particle

A: We have to know about Relativity.

Q: The mass of a muon is 210 times the electron mass. The average lifetime of muons at rest is 2.10 μs.…

A: mass of muon (m) = 210 times mass of electron = 210 meAverage lifetime of muon at rest = 2.10…

Q: Compute the kinetic energy of a relativistic object.

A: In relativity Newton's second law of motion is given by, F=dpdt=ddtγmvγ=11-v2/c2

Nuclear interactions

In nature, there are certain rules and standards for an interaction. These interactions are universally accepted. There are four types of interactions: