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Assume with the tight-binding framework, that we need to consider only 1 Wannier orbital from each site. The energy level of this Wannier orbital is e0 (i.e. alpha = -e0). In addition, we retain the nearest-neighbor tight-binding matrix t (i.e. gamma = -t )
(a) Determine the energy dispersion for a bcc strucutre and an fcc structure where a is the length of the cubic cell.
(b) Determine the effective mass near k = 0 for each case
Water is moving with a speed of 2.0 m/s through a perfectly sealed long pipe with a cross sectional area of 8 cm^2. The water descends 9 m as the pipe changes in area to 6 cm^2.
A coil of wire is connected to an ideal 12.0-V battery at t = 0. At t = 14.2 ms, the current in the coil is 210 mA. calculate the inductance of the coil
The ball strikes the floor at a speed of 7.8 m/s. Illustrate what was the initial speed of the ball? Assume that air resistance is negligible.
Three successive resonance frequencies for a certain string are 481., 518., and 555. Hz. What is the fundamental frequency
Calculate the rotational inertia of a meter stick, with mass 0.64 kg, about an axis perpendicular to the stick and located at the 18 cm mark
A projectile is launched at an angle of 33.69 degrees from the horizontal and lands down range at the same level. If the range of the projectile was 900 meters what was the maximum height
a well-insulated electric water heater delivers 3.10106cal to its tank of water in 35.0 minutes. find the resistance of
A bicycle whose tires have a diameter of .700 m accelerates from rest at a constant rate, Find the angular acceleration of the wheels
A 5.000 kg mass starts from rest and slides down on an inclined plane that is 5 degrees above the horizontal. If the body starts from rest and takes 1.25 s to travel a distance along the inclined plane, what is the final velocity of the body
A hotel elevator ascends 200 m with maximum speed of 5m/s . Its acceleration and deceleration both have a magnitude of 1.0 m/s^2 . a.)How far does the elevator move while accelerating to full speed from rest?
A typical helium-neon laser found in supermarket checkout scanners emits 633nm--wavelength light in a 1.1mm diameter beam with a power of 1.0mW. What is the amplitude of the oscillating magnetic field in the laser beam
question1a 350 piano slides 3.4 down a 34 incline and is kept from accelerating by a man who is pushing back on it
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