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An alpha particle (mass 4 u) is trapped in a uranium nucleus with diameter 15 fm...
(1 point) A Uranium-238 nucleus (U-238) decays to a Thorium-234 (Th234) by emitting an alpha particle...
(1 point) A Uranium-238 nucleus (U-238) decays to a Thorium-234 (Th234) by emitting an alpha particle (i.e. a Helium-4 nucleus): 1,228 +Th%d4 + He A Uranium nucleus has 92 protons in it while a Helium nucleus has 2 protons. The mass of a Helium nucleus is 6.645 x 10-27 kg. For this problem assume that the Uranium nucleus is initially at rest and the Thorium nucleus remains at rest after the decay. If the alpha particle is initially at rest...
A uranium nucleus (mass 238 u), initially at rest, undergoes a radioactive decay. After an alpha...
A uranium nucleus (mass 238 u), initially at rest, undergoes a radioactive decay. After an alpha particle ( mass 4.0 u) is emitted, the remaining nucleus is thorium (mass 234 u). If the alpha particle is moving at 0.050 times the speed of light, what is the recoil speed of the thorium nucleus?
A uranium-238 nucleus at rest undergoes radioactive decay, splitting into an alpha particle (helium nucleus) with...
A uranium-238 nucleus at rest undergoes radioactive decay, splitting into an alpha particle (helium nucleus) with mass 6.64×10-27 kg and a thorium nucleus with mass 3.89×10-25 kg. The measured kinetic energy of the alpha particle is 4.49×10-13 J. After the decay, what is the magnitude of the momentum of the thorium nucleus? Incorrect. Tries 1/20 Previous Tries After the decay, what is the kinetic energy of the thorium nucleus? 7.664×10-15 J You are correct. Your receipt no. is 158-4017
An alpha particle (mass = 4 u) has a head-on, elastic collision with a nucleus (mass...
An alpha particle (mass = 4 u) has a head-on, elastic collision with a nucleus (mass = 158 u) that is initially at rest. What percentage of the kinetic energy of the alpha particle is transferred to the nucleus in the collision? %
The diameter of the nucleus is about 8 fm. A simple model of the nucleus is...
The diameter of the nucleus is about 8 fm. A simple model of the nucleus is that protons and neutrons are confined within a one-dimensional box of length 8 fm. What is the first energy level, in MeV. for a proton in such a box? Express your answer using three significant figures. What is the second energy level, in MeV, for a proton in such a box? Express your answer using three significant figures. What is the third energy level,...
A U-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882...
A U-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882 u. What is the nuclear binding energy per nucleon in this atom? 1.93 MeV 7.57 MeV 12.3 MeV 19.6 MeV 1802 MeV A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha particle that has the same DeBroglie wavelength as the proton? The mass of the alpha particle is 6.65E-27 kg. 9517 m/s 9.53E6 m/s 1833 m/s 2.38E13...
When a stationary plutonium-239, 239/94 Pu, decays into uranium-235 plus an alpha particle, the energy released...
When a stationary plutonium-239, 239/94 Pu, decays into uranium-235 plus an alpha particle, the energy released in the process is 5.24 MeV. The following masses are known: 4/2 He: 4.002603 u 235/92 U: 235.043924 u What is the mass of the 239/94 Pu nucleus, in amu? (1 u = 931.494 MeV/c2)
A particle is trapped in a one-dimensional potential energy well given by: 100 x < 0...
A particle is trapped in a one-dimensional potential energy well given by: 100 x < 0 0 < x <L U(x) = L < x < 2L (20. x > 2L Consider the case when U, < E < 20., where E is the particle energy. a. Write down the solutions to the time-independent Schrödinger equation for the wavefunction in the four regions using appropriate coefficients. Define any parameters used in terms of the particles mass m, E, U., and...
7 the wavelengths For the firet three lines in the stre series for hydrogen. ? (a)...
7
the wavelengths For the firet three lines in the stre series for hydrogen. ? (a) ,ind eutaerneguoney for the photoelectrie effect is illleon, (b) Find the maximum energy of the cjected electrons if the silicen is illuminated widh light of frequency 2.7 x10* H 3, An electron drogs Find (a) the energy and (b) the wavelength of the photon emitted. om the n.. 8 to the n-2level or an infinite square well as am wide 4 Determine the principal...
2 Fission In symmetric fission, the nucleus of uranium (2*U) splits into two nuclei of palladium(9Pd)....
2 Fission In symmetric fission, the nucleus of uranium (2*U) splits into two nuclei of palladium(9Pd). To a rough approximation, the nuclei of heavy atoms may be described as spheres with a uniform charge density of 1.33-1025 C/m. (This is a reasonable approximation, so far as their electrical structure is concerned.) The charge of the uranium nucleus is +92e. Compute the initial electrostatic energy of the uranium nucleus and the electrostatic energy of the fission fragments once they have moved...
(1 point) A Uranium-238 nucleus (U-238) decays to a Thorium-234 (Th234) by emitting an alpha particle (i.e. a Helium-4 nucleus): 1,228 +Th%d4 + He A Uranium nucleus has 92 protons in it while a Helium nucleus has 2 protons. The mass of a Helium nucleus is 6.645 x 10-27 kg. For this problem assume that the Uranium nucleus is initially at rest and the Thorium nucleus remains at rest after the decay. If the alpha particle is initially at rest...
An alpha particle (mass = 4 u) has a head-on, elastic collision with a nucleus (mass = 158 u) that is initially at rest. What percentage of the kinetic energy of the alpha particle is transferred to the nucleus in the collision? %
The diameter of the nucleus is about 8 fm. A simple model of the nucleus is that protons and neutrons are confined within a one-dimensional box of length 8 fm. What is the first energy level, in MeV. for a proton in such a box? Express your answer using three significant figures. What is the second energy level, in MeV, for a proton in such a box? Express your answer using three significant figures. What is the third energy level,...
A U-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882 u. What is the nuclear binding energy per nucleon in this atom? 1.93 MeV 7.57 MeV 12.3 MeV 19.6 MeV 1802 MeV A proton has a kinetic energy of 7.5 MeV. What is the speed of an alpha particle that has the same DeBroglie wavelength as the proton? The mass of the alpha particle is 6.65E-27 kg. 9517 m/s 9.53E6 m/s 1833 m/s 2.38E13...
A particle is trapped in a one-dimensional potential energy well given by: 100 x < 0 0 < x <L U(x) = L < x < 2L (20. x > 2L Consider the case when U, < E < 20., where E is the particle energy. a. Write down the solutions to the time-independent Schrödinger equation for the wavefunction in the four regions using appropriate coefficients. Define any parameters used in terms of the particles mass m, E, U., and...
7
the wavelengths For the firet three lines in the stre series for hydrogen. ? (a) ,ind eutaerneguoney for the photoelectrie effect is illleon, (b) Find the maximum energy of the cjected electrons if the silicen is illuminated widh light of frequency 2.7 x10* H 3, An electron drogs Find (a) the energy and (b) the wavelength of the photon emitted. om the n.. 8 to the n-2level or an infinite square well as am wide 4 Determine the principal...
2 Fission In symmetric fission, the nucleus of uranium (2*U) splits into two nuclei of palladium(9Pd). To a rough approximation, the nuclei of heavy atoms may be described as spheres with a uniform charge density of 1.33-1025 C/m. (This is a reasonable approximation, so far as their electrical structure is concerned.) The charge of the uranium nucleus is +92e. Compute the initial electrostatic energy of the uranium nucleus and the electrostatic energy of the fission fragments once they have moved...
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