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1. Draw a representative volume element (RVE) for an epoxy matrix filled with cylindrical steel rods arranged in a rectangular array. Compute the volume fraction Vf as a function of the fiber diameter df and the spacing between the centers of the fibers ax and ay in the two directions (center to center).
2. Write a definition for Representative Volume Element. Draw a set of fibers in an hexagonal array: six fibers at the vertices of an hexagon plus one in the center, with the fibers touching each other. Draw the smallest RVE for this arrangement. Compute the fiber volume fraction.
assume that thermometer readings are normally distributed with a mean of 0 and a standard deviation of 1. a thermometer
Consider the first circuit that you built consisting of a diode and a resistor. When you look at the voltage across the resistor, why does the resistor voltage swing upward as the input voltage swings positive?
Find the linear momentum and kinetic energy of a bullet of mass 4.60 10-2 kg moving at a speed of 320 m/s
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. Obtain the moment of inertia around the center of mass
A 5 kg ball is thrown upward with an initial speed of 30 meters per second. Suppose there is a constant air resistance of 25N opposing the motion during its entire up and down path Draw a picture showing all the forces on the ball while it is on t..
If a boat and its riders have a mass of 1500kg and the boat drifts in at 1.4m/s how much work does Sam do to stop it
Two meters from the left end is the 500 N washing equipment. Joe is 0.500 m from the right end and weighs 920 N. Given that the scaffold is in rotational and translational equilibrium, illustrate what are the forces on each cable?
Make a small hole (5 mm dia) in the ball near the top. Fill it with sand and find its time period of oscillation. Empty the ball and fill it with steel balls/iron filings and repeat the experiment.
An electromagnetic wave is traveling in +X direction. The amplitude of the electric field is 6.0 V/m. What is the amplitude of the magnetic field?
The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air. If ?c= 42.0° what is the index of refraction of the material?
1. on which 110 planes of bcc iron can a dislocation with a burgers vector a211-1 move?.2. strain hardening is
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. Determine the induced emf within a circle of tissue of radius 1.9 mm
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