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Each atom in a chunk of copper contributes one conduction electron. Look up the density and atomic mass of copper, and calculate the Fermi energy, the Fermi temperature, the degeneracy pressure, and the contribution of the degeneracy pressure to the bulk modulus. Is room temperature sufficiently low to treat this system as a degenerate electron gas?
A proton accelerates from rest in a uniform electric field of 600 N/C. At one later moment, its speed is 1.50 Mm/s, Find the acceleration of the proton
a gymnast with mass m1 46 kg is on a balance beam that sits on but is not attached to two supports. the beam has a mass
Take element Z = 70 from the periodic table. Ionize it 69 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron?
A circular loop of radius 0.10 m is rotating in a uniform magnetic field of 0.20 T. Discover the magnetic flux during the loop when the plane of the loop and the magnetic field vector are at an angle of 30o?
As Tony the fisherman reels in a "big one", he turns the spool on his fishing reel at the rate of 3.5 complete revolutions every second. If the radius of the reel is 3.5cm , what is the linear speed of the fishing line as it is reeled in
Coherent light with wavelength of 602 passes by two very narrow slits and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright..
holding these two strips togeather they will repel each other. assume the average lencth 10cm of the tapes is half
A particle with 7eV of kinetic energy moves from a region of zero potential into region of constant potential of U=5.25 eV. In classical approach one would expect the particle to continue on with less kinetic energy. In quantum mechanics the particle..
a scanning electron microscope uses a uniform 15.0-knc electric field to accelerate electrons horizontally toward the
A rock is thrown vertically upward from the edge of a cliff. The rock reaches a maximum height of 19.6 m above the top of the cliff before falling to the base of the cliff, How high is the cliff
What power P is dissipated in this wire structure? How should the linear size of the square (that is, a) be changed to increase the dissipated power by a factor of 8?
A car takes a sharp turn on a road. Which of the following provides the centripetal force on the car? The weight of the car, frictional force, tangential acceleration, or gravitational force?
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