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A large reel of paper installed at the end of a paper machinehas a diameter of 1.8m, a length of 5.6m and a moment of inertia of4500 kg-m2. It is driven by a directly coupled,variable-speed DC motor turning at 120 rpm. The paper is kept undera constant tension of 6000 N.(a) Calculate the power (in hp) required from the motor toturn the reel at 120 rpm.(b) If the speed has to be raised from 120 rpm to 160 rpm in 5seconds, calculate the torque that the motor must develop duringthis interval.(c) Calculate the required motor power after it has reached160 rpm.
Notice that the circuit does not reset to the start state when an output of Z = 1 occurs. However, your circuit should have a start state and should be provided with a method for manually resetting the flip-flops to the start state.
A series RLC circuit has elements with the following values: R=10Ω, L= .5H, and C=2μF. What is the resonant frequency of this circuit
In an amplifier circuit, why do we need to bias the MOSFET atan operating point What would happen if the signal peak amplitudewas smaller than 1 V, the transistor had Vto=1 V and we biased the transistor at Vgsq=0
A magnetic pickup coil is being used to make measurements which areproportional to the time derivative of the magnetic flux density, dB/dt. You wishto integrate this signal to get the magnetic flux density, B.
What connectivity is required for both parties? Use your textbook and the Interne to research your answer. Which option would you suggest and why?
Let X be the outcome for rolling a die and let Y be the outcome for rolling a second die. X & Y are the number of dots that appear for each die. find the joint probability for the event X less or equal to 3 and Y greater than 3
(a) Draw a circuit diagram and (b) calculate the total energy stored in the two capacitors. (c) What potential difference would be required across the same two capacitors connected in parallel for the combination to store the same amount of energy..
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
If a seventh-order system has a row of zeros at s^3 and two sign changes below the s^4 row, how many jw poles does the system have
Two amplifiers are cascaded, one with a voltage gain of 6.02 db and the other with a voltage gain of 12. If 10 mV is measured at the input of the second amplifier, what is the voltage at the input of the first amplifier
make a RAM memory using a 2-D array of integers. This RAM will have 8 locations, each 64 bits wide. Both should be changeable and controlled by generics. This memory will be connected to a FIFO controller which I have already coded.
An enhancement-type NMOS transistor with Vt=2V has its source terminal grounded and a 3-V dc source connected to the gate. In what region of operation does the device operate for (a) VD=+0.5V
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