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An aluminum casting that weighs 10 lb is resting on a steel surface.
a. How much force will be necessary to get it started sliding?
b. How much force will be necessary to keep it sliding once it is moving?
use MATLAB to compute state transition matrix and then obtain the step responses y1(t) and y2(t), given that the initial state vector is zero
In comparing the behaviour of an n-channel MOSFET with a p-channel device having identical geometry and threshold voltage, it is found that the n-channel FET has a greater drain current than that of the p-channel FET.
a)Describe the difference between a relay logic system and a PLC control system. Are there any advantages of PLC control system over relay system. Explain the advantages in details with one example.
Attenuation of received power with change in transmission frequency and distance between the antennas
A polar binary pulse are required with peak amplitude Ap= 1mV, the channel noise is rms 192.3 μV theshold detection not used. 1 & 0 are equally likely. Find the detection error probability. Also find the error probability for a)ON, OF.
An RC circuit with a time constant T = 30 msec has reached a steady state of 2 V at time t = 0. The circuit is then suddenly switched to ground (0 V). Calculate the time required for the voltage to fall to 1 V.
b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated c) combine homogeneous soluton with nonhomogeneous solution to form the general solution calculate the unknown constant in homogeneous part
A large brass washer has a 2-cm inside diameter, a 5-cm outside diameter, and is 0.5 cm thick. Its conductivity is s = 1.5 × 107 S/m. The washer is cut in half along a diameter, and a voltage is applied between the two rectangular faces of one par..
In the differential amplifier shown in the schematic, R1 = R2 = 10 k ohm; R3 = R4 = 100 k ohm. Assume the ECG voltage at V1 = 100 mV, and the ECG voltage at V2 = - 100 mV. There is a power line interference of 200 mV at both input sites.
A well-behaved analog signal with a frequency of 20 kHz is being sampled. What is the sampling frequency of frequency aliasing occurs
a. A point is equally likely to fall anywhere on the semi-circle defined by the equations, x^2+y^2=1, y>=0. Find the pdf of the y-component of the point's position. b. A point is equally likely to be found anywhere on the surface
A satellite is 30,000 km from the Earths surface, receives signals at 14 GHz transmitted from the earth with an average power of 50 W, with an antenna gain of 55 dB in the direction of the satellite receiving antenna.
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