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A baseball is hit with a speed of 27.0 at an angle of 47.0. It lands on the flat roof of a 12.0 -tall nearby building. If the ball was hit when it was 1.2 above the ground, what horizontal distance does it travel before it lands on the building?
A 60 Hz, three-phase, transposed transmission line has the following parameters: Z = 13.114+ j52.952, Y = j0.311/1000. The sending-end line-to-line voltage is 161 kV. The total receiving-end load is represented by ZL =143 with an angle
There are approximately 109 million TVs in the United States. Each uses, on average, 79 W of power and is turned on for 6.9 hours a day. If electrical energy costs 0.073 dollars per kWh, how much money is spent every day in keeping the TVs turned ..
A barometric pressure transducer is measuring pressure between 800 and 1100 mbars. If the transducer output is scaled to 0-5V and input to the HCS12 ATD confugured in 8-bit mode, what is the pressure measured when the ATD output = 0x5A
Calculate the required thickness [in x-direction] of a silicon wafer in nm to create an 0.2 eV energy difference between the two lowest Enx energy states, use mn*= 0.3 x mo with mo = 9.11x10-31 kg. Assume the y and z-direction infinitely long.
A voltage of 60cos(4πt) V appears across the terminals of a 3mF capacitor. Calculate the current through the capacitor and the energy stored in it from t=0 to t=0.125 seconds.
Let x[k] be a time-domain sequence and X[r] be its DFT. (When written as vectors, unless stated otherwise, always assume the first entry in the vector is at k=0 or r=0, respectively.) If x[k] = [5, 9, 6, 10]
design a system comprising a pulley actuated by a stepper motor to lift objects of maximum mass of 1kg. No gear box is required. A 48 VDC power source is available. Select a pulley (specify the diameter) and a stepper motor.
The current flowing through a 300-mH inductance is given by 5exp(-200t) A, in which time t is in seconds. A) Find an expression for the voltage in terms of t. B) Find an expression for the power in terms of t.
Suppose that a voice signal normally occupies 30 kHz of bandwidth and has a signal-to-noise ratio of 20 dB. Spread-spectrum techniques are used to increase its bandwidth to 2 MHz. (a) What is the signal-to-noise ratio of the spread signal
A three-phase Y- connected transformer bank (single phase) consists of three identical step-up transformers rated at 100MVA, 13.8kV:66.4kV. Each transformer has a series impedance of .0045 + j0.19-ohm referred to its 13.8kV winding.
For what range of values of a is the system stable?
The circuit has a single Moore type output U which is 1 to unlock the lock, and 0 otherwise. Design the circuit with inputs Xa, Xb, Xc, and Xd, reset L, clock C, and output U. Use a 1-hot code for the state assignment. Implement the circuit with D..
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