Engineering, 18.02.2020 05:55 ttwright24
Leonardo Pisano Fibonacci, a famous thirteenth-century mathematician, generated the sequence of integers 10,1, 1,2, 3, 5, 8, 13, 21,34. ...^ while addressing, oddly enough, a problem in volving rabbit reproduction. An element of the Fibonacci sequence is the sum of the previous two. (a) Find the constant-coefficient difference equation whose zero-input response f[n] with aux- iliary conditions [-0 and 2s a Fibonacci sequence. Given f[n] is the system output, what is the system input? (b) What are the characteristic roots of this system? Is the system stable? (c) Designating 0 and 1 as the first and second Fibonacci numbers, determine the fiftieth Fi- bonacci number. Determine the thousandth Fibonacci number.
Answers: 2
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
Answers: 2
Engineering, 04.07.2019 18:20
A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.
Answers: 3
Engineering, 04.07.2019 19:10
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
Leonardo Pisano Fibonacci, a famous thirteenth-century mathematician, generated the sequence of inte...
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