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1. Sketch to scale the longitudinal and transverse displacement waves on a monoatomic one-dimensional lattice at a wavelength of λ-4a. Locate the vibration frequency of these two acoustical modes on the ωq -q diagram such as that given by given Figure.
2. Sketch the phonon spectra of a tertiary compound semiconductor whose primitive unit cell contains three atoms such as GaXAIYAsx?
if 3.25 x 10-3 kg of gold is deposited on the negative electrode of an electrolytic cell in a period of 2.78 hours what
A 0.89 meter aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Find the magnitude of the horizontal component of the Earth's magnetic field
A 0.347 kg particle slides around a horizontal track. The track has a smooth, vertical outer wall forming a circle with a radius of 1.59 m. What is the total number of revolutions the particle makes before stopping
Suppose you have a circular race track that has a circumference of 2000 mile. A car drives around the track such that it takes 40 seconds for a lap. What are the average velocity and the average speed
A generator has a 170-turn square coil, 4cm on a side. Find the peak emf in this coil when it's rotating at 95.0Hz in a strong 6.1T field
Two stationary positive point charges, charge 1 of magnitude3.40 nC and charge 2 of magnitude 2.00 nC, are separated with a distance of 45.0 cm. An electron is released from rest at the point midway among the two charges, and it moves along the line ..
Which completely absorbs the beam. If the laser exerts a force of 96 nN(9.6 multiply.gif 10-8 N) on the surface, how many photons are striking the surface every second?
A jet is circling an airport control tower at a distance of 21.0 kilometer. An observer in the tower watches the jet cross in front of the moon. Find the distance traveled by the jet
A uniform drawbridge must be held at a 41 degree angle above the horizontal to allow ships to pass underneath. Obtain the direction and magnitude of the force the hinge exerts on the bridge
A particle with positive charge q = 1.28 x 10^(-18) C moves with a velocity = (3i + 2j - k ) m/s through a region where both a uniform magnetic field, Calculate the total force on the moving particle
A man is to be released from rest on a swing pulled away from the vertical by an angle of 22.1 degree. Find the maximum weight the man can have and not break the ropes
two identical conducting spheres fixed in place attract each other with an electrostatic force of 0.155 n when their
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