A communication system must transmit the following real valued signal:

v(t) = 4cos(2pi*10MHz*t) + 2cos(2pi*20MHz*t)+cos(2pi*30MHz*t)V

For this signal, sketch the positive-frequency power specturm P(f>0) clearly identify power levels at each frequency, then compute the total signal power from your specturm.

Create a function that takes a time in seconds as an input : For example, if the time given is 10213 seconds, the function will give back 2 hours and 50.22 minutes. The function shall not print the results to console, but instead pass them back to the calling function. |

How does global economic competition impact the domestic : How does global economic competition impact the domestic market and decisions related to the strategy a firm uses to compete? Why do some economists oppose trade restrictions? Explain your answer. |

Find an expression for the speed of a wave on the rope : A small rope has a linear mass density of 8.00 g/m and is tied to two vertical walls that are separated by three fourths the length of the rope, Find an expression for the speed of a wave on the rope as a function of m |

Using the alternative fuels initiative ethanol as an example : Using the alternative fuels initiative (ethanol) as an example, explain the cost/benefit approach that a typical economist might take to analyze proposed policy changes? |

Compute the total signal power from the specturm : A communication system must transmit the following real valued signal: v(t) = 4cos(2pi*10MHz*t) + 2cos(2pi*20MHz*t)+cos(2pi*30MHz*t)V For this signal, sketch the positive-frequency power specturm P(f>0) |

Explain protonated means that the drug is in its acid form : protonated means that the drug is in its acid form (HA) and dissociated means that the drug is in its dissociated form (A-). the pH of the stomach is about 1 or 2. the pH of the blood is about 7.4. given that a drug has a pKa of 4.2. |

Identify any externalities associated with initiatives to : Identify any externalities associated with initiatives to develop alternative fuels in the United States. How do these externalities affect the market outcome? Is it possible for a government's solution to a market failure to actually worsen the fail.. |

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Design a resonance circuit with given specifications : design a resonance circuit with following specifications: L = 10 mH, RL = 4W, Imax = 200 mA, fs = 10kHz, Q = 20. That is, determine the required R, C, and supply Voltage E. For R and C, use the closest standard values. |

## What are the values of the rise time and response timeA thermometer, initially at a temperature of 75 degrees Fahrenheit is suddenly immersed into a tank of water with a temperature of 180 degrees Fahrenheit. The time constant of the thermometer is 4 s. |

## Finite-difference time-domain methodThe Finite-Difference Time-Domain (FDTD) method is a computational electromagnetic technique for solving for the electric and magnetic fields in arbitrary spatial domains in the time domain |

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## Determine the power components of the combinationdetermine the power components of the combination of three individual loads specified as follows: (Load 1)250VA and pf = 0.5lagging; (Load 2) 180 W and pf=0.8 leading; (load 3) 300VA and 100Ar lagging |

## What is the rotor pole shift in electrical degreesa) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift in electrical degrees, corresponding to the nominal loa.. |

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## Explain what is the byte stored at addressUsing the table, what is the byte stored at address 2F? Using the table, what is the byte stored at address 33? |

## Compare by hand solution and pspice simulation for a voltageCompare the by hand solution and the PSPICE simulation for a voltage amplifier which has an input resistance of 10kohms and an output resistance of 100ohms, and a gain of 100V/V. The voltage amplifier is capacitively coupled to a voltage source. |

## Determine change in resistance when the temperature risesA platinum resistance coil has a resistance at O0 C of 100 . Determine the change in resistance that will occur when the temperature rises to 30°C if the temperature coefficient of resistance is 0.0039 K-1. |

## Calculate the area of each pizza the cost for squareBob enters a pizza shop and notices there are three different sizes of pizzas available. Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza |

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