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1. Find the magnitudes of velocities vA and vB in Figure 3.25, where, theta = 20.0 degree and vtot = 5.88 m/s.
2. Find the components of vtot along the x and y axes in Figure 3.25, where theta = 22.5 degree and vtot = 5.48 m/s.
Design a Common Emitter amplifier with no bypass capacitor to obtain a voltage gain of -10 when Rin= 2k, Rload= 4k, VCC= 15V, VBE= 0.6V, and beta= 300. This amplifier requires an output swing of 4V peak-to-peak.
What is the inductive reactance? What is the impedance of the circuit? What is the circuit's time constant? Assume that there is another resistor R2 in series with R1, What should be the value of R2 if the time constant is 10 milliseconds?
An LTI system's impulse response is described by the differential equation, dh(t)/dt + 3h(t) = impulse function. Find the characteristic roots for the system, the initial condition, and the h(t) for t > 0.
A DC motor is driving a load given by TL = 3 + 0.02ωLNm , where ωL is the speed in rad/sec. The armature resistance of the motor, Ra = 2Ω . The machine constants at rated flux density, kE=kT=0.4 (inSIunits).
A rectangular strain gage rosette attached to an aluminumsurface comprises three identical gages (gage factor = 2.1) ofnominal resistance 200 ohms are each connected into a Wheat stonebridge having 3 other resistance values also of 200 ohms.
An odd parity circuit with 2^n inputs can be built with 2^n-1 XOR gates. Describe two different structures for this circuit, one of which gives minimum worst-case input to output propagation delay and the other of which gives a maximum.
A data acquisition system is placed in the vicinity of a noise- and interference-producing source (such as an AC motor, a fluorescent light, high power transmission lines, or any EMF radiator).
Application: Electrostatic precipitator. The designers of the precipitator in Problem 5.34 found that they cannot make two half-shells as needed, but they can make the precipitator of four quarter shells and connect them as shown in Figure 5.55. A..
consider the set of activities, duration (in days), and predecessors for a project given below. a) Develop a network diagram representation for the project. b) Determine the critical path. c) Determine the float time for all activities that are not o..
Write a function that asks a user it´s name, age and if the user has a spouse. If the user has a spouse, let the function then ask the spouses age. Then let it write out if the user is older, same age or younger then the spouse, and display the ag..
A 10db attenuator having an input VSWR of 1.2 is terminated by matched load. Find the reflected power, the absorbed power and the transmitted power.
design and implement an access control circuit for my research lab. There are two inputs - a key card swipe on the door that produces an ID in the 0.7 range, and a day/night sensor that is 1 during the day, and 0 at night.
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