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Elastic energy of dislocation. A perfect dislocation in a cubic crystal with lattice parameter equal to a dissociates to two partial dislocation according to the following reaction based on the Burgers vector of the partial dislocations: a/2 [-101] =a/6 [-211] + a/6 [-1-12]
Compute the ratio of the elastic energy of one of the partial dislocations to that of the perfect dislocation (the partial dislocations will both have the same elastic strain energy per unit length). Will the energy of the system increase or decrease after the dissociation occurs? What is the magnitude of the burgers vector of the partial dislocation in terms of a?
A spring stretches by 0.0157 m when a 3.22-kg object is suspended from its end. How much mass should be attached to this spring
A car speeds up as it turns from traveling due south to heading due east. Find the radial component of the acceleration at that point
What is the magnitude of the centripetal acceleration needed to make a car follow a curve of radius 500m at a speed of 25.0 m/s (about 56mph)? Compare the acceleration with that of gravity for this fairly gentle curve taken at at highway speed. Show ..
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. what force does the seat belt exert on each driver
A 0.350kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.750m/s when it makes a head-on collision with a stationary 0.150kg glider. Find the final kinetic energy of second glider
questioncora lies in a tanning bed getting a tan. suppose that as 0.79 m2 of her skin is exposed to the light from the
What is the value of rest energy of electron? and what is the expression for rest energy?
A closed system is observed to have 68objects in it. Initially, the total energy of the system is7944 J. After 1.1h have passed, how much total energy will the system contain?
A 640-g hollow ball 21cm in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of 0.78 Hz
two large parallel metal plates are 1.8 cm apart and have charges of equal magnitude but opposite signs on their facing
an insulated wire of diameter 1.0mm and negligible resistance is wrapped tighly around a cylindrical core of radius
The distance between two consecutive nodes of a standing wave is 22.2 cm. The hand generating the pulses moves up and down through a complete cycle 2.74 times every 6.48 s. Find the velocity of the wave
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