The equation of a damped oscillation of a system is given as: y = -7.4e0.5t sin (3t) Solve for the value of t near 4.2, correct to 3 decimal places, when the magnitude y of the oscillation is zero
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- why 225 sin(t/3) is The forced oscillation is imposed on the natural oscillation ofcurrent given by −74sin(t) ??????????? I do want to know if I face such a question how can I determine4) The function sin x (which you may remember from Calculus 1 limits) is important in signal processing and electrical engineering, and is known as the "sinc" function, often abbreviated as just sinc(x). Find § sinc(x) dx. Then, approximate ſ sinc(x) dx using the first five terms of the appropriate series.1. Obtain the signals given below from the signal generator and view these signals on the oscilloscope screen and draw them on the screen given. a) v(t) = 5*sin(314*t) b) v(t) = 3*sin(37699*t) CH1 CH1 M =.... ..... ... ..... .. ..... ...
- In an experiment, the function generator is adjusted to generate the following voltage v(t) = 9 sin 3141.6 t V. Then the voltage reading using a digital multimeter is . and the periodic time is ........ Select one: O 6.364 V 20 ms O 6.364 Vrms 2 ms O 6.364 V 2s O 3.182 Vrms 2 ms .... O 63.64 Vrms 20 s ......#2. Express the following sin function in positive amplitude cosine form: (i) 408 sin (wt-60°) (ii) -200 sin (6t)29. Periodic signals are signals that do not recur at a regular time interval True False Bidirectional signal is a type of electrical signal which at any specified time the value of the voltage or current is the same True False Inductive reactance has a unit of farad. True False The ideal capacitor does dissipate energy. True False
- 9. A capacitor has a resistance of 80ohms when connected to a 50 Hz supply. Calculate the value of capacitance A. 39.79 microfarad B. 39.97 microfarad C. 93.79 microfarad D. 93.97 microfaradDetermine which of these sinusoids leads and by how much time shift. 5. 8cos 314t and 9sin (314t + 75degrees)Problem 5 The voltage signals below have identical peak values. Their rms values are also the same. If the first waveform is a sinusoid, what is the pulse duration Tpulse of the second waveform? Provide your answer in terms of T, the period. V ← Tpulse time 5- K time
- A stringed instrument generates a complex waveform with the following components: 250 Hz with an amplitude of 5 Pa 500 Hz with an amplitude of 3 Pa What is the fundamental frequency? What other harmonic is represented? What equation would represent this complex waveform? Calculate the amplitude values every 45° (0°, 45°, 90°, etc.). Plot the resulting points on a graph of degrees vs. pressure, and connect them to see the shape of the complex waveform.C1 L1 R1 V1 Vout V1 contains the fundamental and its harmonics (fo, 2fo, 3fo, ...). The amplitude of the harmonics is inversely proportional to the harmonic number. V(fo) = 10 mV V(2fo) = 10mv/2 = 5 mV V(3fo) = 10mv/3 = 3.33 mV V(4fo) = 10mv/4 = 2.55 mV a) What is the minimum value of Q for the circuit that will attenuate the third harmonic (3fo) in Vout to be less than 1% of the fundamental? b) What is the amplitude of the fifth harmonic (5fo) as a percentage of the fundamental?I7 the Carrent through an inductor Ls5 mH is given by the Following figure. Give the re spected Voltage waveform of the inductor : iくのへ 10 2. t(m) notsupe Isinenstib iebo bno