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A bug starts at a point and travels 1 m northward,m eastward,m southward, m westward, m northward, and so on, making a 90°-turn to the right and halving the distance each time.
(a) What is the total distance traveled by the bug?
(b) Find the final position of the bug relative to its starting location.
(c) Find the straight-line distance from the starting location to the final position.
given voltage source of 120V, a 6ohm resistor and 8ohm capacitance are connected in parallel with an unknown impedance find impedance of the unknown load given real power is 5000W and reactive power is 2kvar.
Compute the correlation coefficient of two channels with frequency separation of 100 kHz and temporal separation 5 ms. Assume that the maximum Doppler shift of the channels is f_d=kv=100Hz and the rms delay spread is S_tao=1 µs.
State Gauss' law for the magnetic field in differential form. How is it derived from its integral form?
What is the expected number of lightning strikes in 1 minute? in 10 minutes? - What is the average time between lightning strikes?
a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0. c) determine the maximum value of i, and the time at which it occurs, if the inductor initially stores no energy and v(0-)=9V.
A 10-hp, 230-V, 60 Hz, three-phase wye-connected synchronous motor delivers full load at a power factor of 0.8 leading. The synchronous reactance is 6 Ω, the rotational loss is 230 W, and the field loss is 50 W.
Answer the following questions:1. Determine the voltage gain for the CE ampli?er in the following figure.2. If a load resistance of 600 ? is placed on the output of the ampli?er in the following figure, what is the maximum gain?
(1) a lighting load drawing 10kW, (2) an induction motor drawing 10 kVA at 0.9 power factor lagging, and (3) a synchronous motor operating at 10 hp, 85% efficiency and 0.95 power factor leading (1 hp = 0.746 kW). Determine the real, reactive, and ..
Consider the ideal AM modulated wave v(t) = s(t) cos 2πfct. Using the Fourier transform S( f ) of the applied signal, show explicitly that the Fourier transform of the AM wave is given:
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).
Find the poles and zeros of H(s) and plot them in the s-plane. Find then the corresponding impulse response h(t). Determine if the impulse response of this system is absolutely integrable so that the system is BIBO stable.
Given a sinusoidal function, write a program to determine the rms value, frequency, and period.
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