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Two marbles are rolled towards each other. One marble (m1 = 4.2 g) has a speed of 5.1 m/s towards the right. The other marble (m2 = 6.1 g) has a speed of 3.8 m/s to the left. After the collision, the first marble moves to the left at a speed of 3.2 m/s.
A) Determine the magnitude and direction (left or right) of the velocity of the second marble after the collision ?
B) Prove (using numbers) that the kinetic energy of the system is not conserved in this collision ?
An Electromagnetic wave at 120 MHz travels through a lossy di-electric medium. At this frequency, the depth of penetration is 4 m, if the wave travels 10 m, find the attendant attenuation in dB.
Given the following array declaration, if the array is stored starting at address 1000, what is the output of the following statement? Assume the code is for a 32 bit processor such as a Pentium.
Determine the output voltage for an op-amp comparator circuit with a non-inverting input reference voltage of + 2 VDC and an inverting input signal of - 1 VDC. The op amp reaches output saturation voltages of + or -13 V at the limits.
An office building is billed based on the rate structure given in Table 5.3 (Energy charges is $0.0732/KWh and demand charge is $9 / mo-kw. As a money saving strategy, during the 21 days per month that the office is occupied
Write a 68000 assembly language subroutine, ROTMEM, which rotates the elements (words-size) of an array stored at location point to by (A0). The depth of the array is stored as the first element.
Compare the differences in the FFT result. Explain why even though the inputs to both FFTs are the same cosine waves, the shapes of the FFTs are different.Compute and plot the 128 point FFT of a 0.125Hz cosine wave
Let x1[n] = {-2,1,-3,-5,6,8} with arrow under -2 and x2[n]={1,2,3,4} with arrow under 1. a) determine circular convolution of 7 between x1[n] and x2[n] b) verify (a) calculations by computing the DFTs and IDFT.
consider a system with a 0.1mw transmit power unit gain for the transmit and receive antennas operating at 50 mhz carrier frequency with a 100khz bandwidth.the system operates in a suburban environment.
A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 18 times the kinetic energy of the car, how fast is the truck moving in km/h
a. Convert all the per unit values to a common kVA of 100 and transmission side voltage base of 2500V b. To maintain one per unit voltage at rated load, find the per unit generator voltage needed.
In terms of good desgn practice , what is the number of receptacles allowed on a general purpose 15 A 120V circuit. A 20A and 120V circuit. What are the requirements for the circuit supplying bathroom in residences
Assume that a load Z absorbs power of 150 W at a lagging power factor of 0.8, and the voltage across the load Z is 220 Vms, 50 Hz. What must be the value of capacitor that needs to be connected in parallel with the load Z
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