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A spring has a natural length of 26 cm. If a 26 N force is required to keep it stretched to a length of 30 cm, how much work W is required to stretch it from 26 cm to 37 cm? (Round your answer to the nearest hundredth.)
he storage capacitor in each cell has a capacitance of 50 fF and is fully charged to 5V. Find the worst-case leakage current (i.e. during the refresh cycle 50% of the stored charge is lost) that the dynamic node can tolerate.
Find the electric flux density field everywhere in space produced by two concentric spherical shells of surface charge density +ro and -ro of radius ‘a' and ‘b', respectively, where a
Given the electric field E=4xux+2yuyV/m find the voltage between the points A(2,0) and B(0,2) integrating along: (a) straight line AB; (b) broken line AOB, where O(0,0).
Two men are sliding a 100-kg crate up an incline. If the lower man pushes horizontally with a force of 500 N, and if the coefficient of static friction is 0.30, determine the tension T which the upper man must exert on the rope to get the crate to..
An FSK system with Rb = 110bits/sec is transmitted over an RF Channel with white noise. The receiver uses non-coherent detection. If Eb/N = 5dB, evaluate Pb for this system.
Consider a cellular phone transmits data using QPSK with achannel rate of 50 Kbps, (a) what is the data rate provided (b)What is the difference between PSK and QPSK.
Design a circuit to multiply a 2-bit unsigned magnitude binary number by 1, 2, 3, or 4 to produce a 4-bit output
Discuss briefly the implications of these values of T1 for ultrasonic imaging. Repeat the calculations above with the angle of incidence of the ultrasound beam now being 60 degrees.
If the EM wave of 10 kW transmitted is hitting a truly reflecting building at 20o and 5m from normal, the coefficient of reflection is r=0.5, at which location the reflected ray is max and its power density at 5m in that direction
A single silicon photovoltaic cell is found to have an open-circuit voltage of 0.6 V and a short-circuit current of 15 mA in full sunlight. Show how a collection of these cells can be arranged to deliver 500mW at 9.0V into a load.
Suppose we have a linear function f(X). We are given two points on the line and their values: a, f (a), b, and f(b). Now we need to use linear interpolation to compute the value of a new point f(c).
A farmer owns two barns; one north of a creek and the other south of the creek. The farmer has a Cabbage, a Goat, and a Wolf. The Farmer needs to put each item in a barn every night. If the Cabbage and Goat are in the same barn
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