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You are thinking of opening a small copy shop. It costs $5000 to rent a copier for a year, and it costs $0.03 per copy to operate the copier. Other fixed costs of running the store will amount to $400 per month. You plan to charge an average of $0.10 per copy, and the store will be open 365 days per year. Each copier can make up to 100,000 copies per year.
a) For one to five copiers rented and daily demands of 500, 1000, 1500, and 2000 copies per day, find annual profit. That is, find annual profit for each of these combinations of copiers rented and daily demand.
b) If you rent three copiers, what daily demand for copies will allow you to break even?
c) Graph profit as a function of the number of copiers for a daily demand of 500 copies; for a daily demand of 2000 copies. Interpret your graphs.
Sketch the local resistance of the channel (per unit length) as a function of x.
Design an 8 GB memory subsystem for a desktop PC system employing DDR3 SDRAM chips on a standard DIMM with ECC and 72 data lines (for data and ECC). The SDRAM chips use a 1KB page size, 8 banks, and tRCD = CL. The DIMMs employed are 4GB PC3-1..
The counter must stop at a value which is defined by using the 8 slide switches. Use two seven segment displays to implement the counter, there must be 2 individual counting bits each per seven segment display. The counter should run when a push b..
An inductor of negligible resistance and an inductance of 0.2 H isconnected in series with a 330 O resistor to a 12V d.c. supply.
A wattmeter connected into the line gives a reading of 2765W. If a capacitor have a reactance of 30ohms is connected in parallel with the motor. Calculate the total reactive power absorbed by the capacitor and motor.
The output of a voltage follower is to be within .02% of the ideal value. What is the minimum op amp open loop gain that is required
a) starting from an initial state of 1000list the sequence ofstates of the four flip-flops after each shift. b) Begining in the state 10...0,how many states are there inthe count sequence of an n-bit ring counter
Draw a labeled sketch of x(t) over a few periods: be careful, make sure you follow the exact definition of x(t)
A three-phase, 60 Hz, six pole, wound rotor induction motor draws 10kw when driving its normal load. It draws 700 W when the load is diconnected. The rotor and stator copper losses under normal load are 295 W and 310 W respectively.
A steady voltage of 0.75V is applied to an op amp integrator having component values of R = 200 k and C =2.5 μF. Assuming that the initial capacitor charge is zero, determine the value of the output voltage 100 ms after application of the input.
Discuss the implications of these two statements.
A series resonant circuit has a resonant frequency of 10 kHz. The resistance of the circuit is 5 ohms and Xc at resonant is 200 ohms. a. find the bandwidth. b. find the cut-off frequencies. c. find Qs. d. if the input voltage is 30V
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