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Suppose an object with initial acceleration of 10 ft/s^2 is dropped from 300 ft. above the earth, how far would it travel in the first 2 seconds of its journey? Assume initial velocity is zero.
noncausal, linear, and time-invariant. Determine the impulse response for the system and verify that an LTI system defined by the impulse response you determined satisfies the difference equation.
Consider an analog periodic sinusoid x(t)=cos (3*pi*t +pi/4) being sampled using a sampling period Ts to obtain a discrete time signal x(n)=x(t)|t=nTs = cos(3*oi*Ts*n+pi/4). Choose a value of Ts for which the discrete time signal is x(n)
A point charge of 16 nc is located at Q(2,3,5) in free space and a uniform line charge of 5nC/m is at the intersection of the planes x = 2 and y=4. If the potential at the origin is 100V, find V at (4,1,3).
Design and Analysis: The simple high-pass and low-pass filters shown to the right have been analyzed in class. The transfer functions are H-HP(f) = j fRC / ( 1 + j fRC ) and H-LP(f) = 1 / ( 1 + j fRC ). In either case the -3dB frequencies are F-3D..
a machine processor address a maximum 2^24 bytes of memory. What is the maximum number of 32 bit words that can be store in memory.
An infinitely long line charge (Pl= 21 PI nC/m) lies along the Z-axis. An infinte area sheet charge PS= 3nC/m^2 lies in the X-Z plane at a distance Y =10 m. a) Using Gauss' law find the field E due to the line charge.
An unbalanced Wheatstone bridge circuit has resistance arms of 400, 40, 602, and 6000-ohm taken counterclockwise around the bridge. The galvanometer has a resistance of Rg=110-ohm and is connected between the junction of the 40 and 602-ohm resisto..
The capacitance of a capacitor formed by two parallel metal plates each 200 cm2 in area separated by a dielectric 4 mm thick is 0.0004 microfarads. A p.d. of 20,000 V is applied. Calculate (a) the total charge on the plates
Write a program to create a time delay of approximately 100 seconds by using program loops, assuming that the bus frequency is 24Mhz. What is the approximated delay. How can you make it more accurate.
1. What happens to both resolution and full-scale output when the reference voltage on a DAC is increased by 20% a. resolution gets better by 20%, output goes down by 20% b. resolution gets worse by 20%, output goes up by 20%
An ADSL signal uses 250 channels, each of 4 kHz bandwidth. Assume the maximum signaling rate to be 1 symbol/Hz. QAM is used within each channel with up to 64 point constellations. What is the bit rate/channel
What is the bandwidth required so that the modulated signal contains atheist 90% of the power of the unmodulated carrier. A carrier signal c(t) = 10 cos(2pifct) is modulated using a message signal m(t) cos(20pit). The modulation is FM, with kf = 50.
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