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The diatomic chain whose vibrations were considered in Section 2.8.3 had identical springs but different masses. A model with alternating spring constants but the same mass might be more appropriate for elements like Si. Calculate the dispersion relation and show that it exhibits the same general features as in Figure 2.23(b).
An egg which is initially at rest is dropped on a hard surface and breaks.
A dragster accelerates from rest down a track of length d = 400.0 m. In the absence of any friction the dragster has a constant acceleration of a = 24 m/s2 in the direction of motion, and its mass is m = 990 kg. Assume the dragster is moving in th..
Moist air moves over land where the temperature is 68F and r = 0.7. Through contact with the ground the air cools. At what temperature will fog form? Consider constant latent heat of vaporization equal to 2.45 x 10^6 J/kg.
How many half-lives would have to elapse for a sample of a radioactive isotope to decrease from an activity of 160 cpm to an activity of 5 cpm?
wo small identical conducting spheres are placed with their centers 0.65 m apart. Find the electrostatic force exerted on one sphere by the other
A particle with charge -1.00 C initially moves at v = 1.00i +7.00j m/s. If it encounters a magnetic field B = 60.0 k T, find the force on the particle
A steel wire 4.10m long has a mass of 6.10×10^?2 kg and is stretched with a tension of 1260N . What is the speed of propagation of a transverse wave on the wire?
The ramp is coated with a substance that has a kinetic coefficient of friction of 0.25. The block is placed at the bottom of the ramp. What initial speed should be imparted to the block so the block travels 5m up the ramp?
Point charges located at 3, 8, and 11 cm along the x - axis are represented in the figure (at 3cm +q, 8cm -2q, 11cm +q). What is the magnitude of the force on the charge
There are two horizontal forces on the 2.0 kg box in the overhead view of the figure below but only one is shown. find the second force.
the nucleus of a helium atom contains two protons that are approximately 2.0 fm apart. how much work must be done by an
General information about the use of intensifying screens in radiology, and how films intended for use with intensifying screens differ from non-screen films. Describe the image receptor response curve for CR
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