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For the hoist drive system shown in Fig. P.7.39.
(a) Calculate the minimum size of the motor.
(b) If the line voltage drops to 180 V, what would be the hoisting speed?
Determine the value of RC2 such that the minimum value of vO2 = 0. - Determine the value of RC1 such that vO1 = 1 V when vI = 1 V.
determine the time it takes to process the multiplication operation in the binary multipler described. Assume that the Q register has n bits and the clock cylcle is t nanoseconds.
In a processing plant, jars on a conveyer belt are cleaned out with a high-pressure air jet just prior to being filled (Figure Below). When a jar approaches the cleaning station, it activates a switch (with both NO and NC contacts).
A parallel plate capacitor has gasoline as the dielectric. The area of the plate is 0.25 m^2 and the distance between two plates is 5cm. a. Find the capacitance given that the relative permittivity of gasoline is 2.
use suitable diagrams to show the three possible modes of resonance in sound waves. clearly show the boundary conditions under which each occurs.
A room is heated by an iron that is left plugged in. Is this a heat or work interaction? Take the entire room, including the iron, as the system.
A 0.2 kg plastic cart and 20 kg lead cart both roll without friction on a horizontal surface. Equal forces are used to push both carts forward a distance of 1 m, starting from rest. Is the kinetic energy of the plastic cart greater than, less than..
Let a crappy voice channel occupy 1kHz. To ensure no interefence between channels due to nonideal bandpass filters add a 3.0kHz spacing between channels. How many simultaneous voice channels can you have if allocated a 87MHz bandwidth total
Convert function H(A, B, C) = (AB + C)(AC + B) into both the sum-of-products and product-of-sums forms. Obtain the truth table and express the function in both canonical forms: sum-of-minterms and product-of-Maxterms.
A 50 kW load operates from a 60 Hz 10 kV rms line with a power factor of 60% lagging. Determine the capacitance that must be placed in parallel with the load to achieve a 90% lagging power factor.
Given a coaxial cable with solid inner conductor of radius a, an outer conductor that goes from radius b to c (so c>b>a), a charge +Q that is assumed evenly distributed throughout a meter length of the inner conductor
a) What is the name ofthe company he co-founded. b) How do the annualsales of this company in 2009 compare to the combined value of allof the corn and soybeans produced in Iowa in a typicalyear.
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