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Consider a uniform bar with a cross-sectional area, A = 2 10-4 m2, and a unit length, L = 1 m. The bar shows elastoplastic material behavior, as depicted in the figure. The plastic deformation starts at yield stress σY = 400 MPa. In the elastic region, the Young's modulus is E = 200 GPa while in the plastic region, the tangent stiffness is ET = 20 GPa.
When a force, F = 50 kN, is applied at the end, calculate the tip displacement and stress of the element using one bar element. Use 10 equal-interval force increments. Plot the force-displacement curve. Assume the displacement- strain relation is linear.
Calculate the following. a) What is the magnitude of the voltage in a wall socket if the effective voltage is 240 Vrms b) What is the magnitude of the current if the effective current is 360 mArms
A first order allpass filter impulse is given by h(t)=-δ(t)+2e-tu(t) (a) Find the zero-state response of this filter for the input etu(t). (b) Sketch the input and the corresponding zero-state response.
Design a DC motor control system to run the 48V DC motor at 40rpm up to max load of the motor
Two cover plates, each 1/2 in. thick, are welded to a W27 X 84 beam as shown. Knowing that σall = 24 ksi for both the beam and the plates
A WLAN uses the 1-Mbps IEEE 802.11 infrared standard and the 16-PPM modulation scheme. Compute the period of transmission (time between bits).
Does the addition of cache and virtual memory to a von Neuman system change its designation as an SISD system? What about the addition of pipelining? Multiple issue? Hardware multithreading?
the ends of a length of wire are labeleda and b. If the current in the wire is iab = -3A, are electrons moving toward a or b? How much charge passes through a cross section of the wire in 3 seconds?
The light sensor, which is active when it is dark, monitors the outdoor light and the timer can be programmed to any time. Design the logic to turn on an indoor light if it is dark outside and the timer has set the enable. A high turns on the ligh..
Find the current i for the elements using complex algebra. Sketch the waveforms for υ and i on the same set of axes.
Design a combinational circuit with four inputs, x,y,w, and z, and four outputs: A, B, C, and D. When the binary input value in decimal is 3,8,12 or 15, the binary output value is one less than the input value, otherwise it is one greater than the..
use nodal analysis to find io in the network given below. identify and label each node otherwise you will lose your
Explain how using a competitive forces model and calculating the TCO of technology assets help firms make good infrastructure investments.
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