For the motion z(t)=5sin(2pit) the frequency of the motion is A)none of the above B) 1 Hz C) 2Hz D)0.5 Hz
For the motion z(t)=5sin(2pit) the frequency of the motion is A)none of the above B) 1...
g(t) = 5sin(20t)+8cos(4t) Find the fundamental period and fundamental frequency of g(t). The fundamental period is s and the fundamental frequency is Hz.
What is the frequency of the motion a.1 Hz b.5 Hz c.0.5 Hz d.none of the other answers. e.2 Hz
Which of the following best approximates the frequency of the waveform shown in the figure below? 一 -1 Time (s) A plot of the displacement of an oscillating mass, attached to a spring as a function of time. 0.2 Hz 0.5 Hz O 1 Hz ● 2Hz 5 Hz
t2s points). Let B(t) be Brownian motion and let zu) with drift u0. For any B()+ ut be Brownian motion t 0, let T be the first time Z(t) hits a. a) Show that T, is a random time for Z(t) and for B(t). b) Show P(T, 0o)1. c) Use martingale methods to compute E [e-m] for any θ > 0 r>
t2s points). Let B(t) be Brownian motion and let zu) with drift u0. For any B()+ ut be...
Y(z) c(t), C(s) r(t), R(S) + - et), E(S) E*(s), Ez To- D(z) G (s) = (1-e-STºys H(s) 32. If the system above has Y(z)R(z)= 1+z), and if the input is the unit step r(t)=u(t), then the signal y[n]= u[n]-e-Tou[n-1) | u[n]+u[n-1] a) c) u[n] + u[n-1) d) none above 33. If the system above has Y(z)/R(z)= 1+z), the dc gain of the system is C(z)/R(z)= b) 1/2 c)2 d) none above a) o 34. If the system above has...
(1 point) The functions f(t) and g(t) are shown below. 11.0 f(t) g(t) If the motion of a particle whose position at time t is given by z = f(t), y = g(t), sketch a graph of the resulting motion and use your graph to answer the following questions: (a) The slope of the graph at (0.25, 0.5) is 6 (enter undef if the slope is not defined) (b) At this point the particle is moving to the right and...
c. 163 f. None of the above Sound is measured for a 1,500 Hz plane wave to have a velocity of 325 m/s. What is the expected air temperature in °C? -23 d. 72 a. b. -11 e. 95 f. None of the above c. 58 A plane wave is represented as p(x,t) = 5 cos(2x+12t). What characterizes this wave? Circle all that apply. d. Wavespeed is 1/6 e. Wavespeed is 6 f. None of the above Forward traveling a....
The function x - (6.3 m) cos[(47rad/s)t + z/5 rad] gives the simple harmonic motion of a body. At t = 5.9 s, what are the (a) displacement, (b) velocity, (c) acceleration, and (d) phase of the motion? Also, what are the (e) frequency and (f) period of the motion? i (a) Number Units i (b) Number Units i (c) Number Units i (d) Number Units i (e) Number Units (f) Number i Units
2. Circle the causal BIBO stable ROC below. a) 1.1<\리<1.2 b) Izk1/201zP1/2 d) 0.5<Izl<0.9 e) none above 3. A linear time-invariant IIR system is always BIBO stable a) True b) False 4. If a fiter has z-transform H(z)05, then the fiter s ;z>0.5, then the filter is zz-0.5z a) Nonlinear b)FIR )R d) two-sided e) none above 5. The discrete-time frequency o in rad/ sample of the sinusoid hin] below is d) T2 e) none above hIn] -1
20) A wave is a vibration in A) space. B) time. C) both D) neither 21) A wave having a frequency of 1000 Hz vibrates at A) less than 1000 cycles per second. B) 1000 cycles per second. C) more than 1000 cycles per second. 22) A weight suspended from a spring bobs up and down one complete cycle every 2 s. Its frequency is A) 0.5 Hz. B) 1 Hz. C) 2 Hz. D) none of the above