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Gladeet Domestic offers busy professionals a clothes-ironing service. The equations that represent the connections between their volume of business in thousands of clients (x), and firstly the price they charge, and secondly the total cost they incur are:
(a) Derive the profit equation for their business.
(b) What are the profit maximizing levels of output and price, and the maximum profit they can obtain?
(c) Obtain the second derivative of the profit equation and use it to prove that the output level in (b) occurs at a maximum
Complete a comparison table using the responses of (a) and (b), including the percentage overshoot, the time to first peak, the settling time, and the steady-state error. Comment on the results, and explain the reason for the differences in the re..
Discuss the criteria that you would use to determine the required dimentions of this device. What are the potential failure mechanisms? What materials might be appropriate for the manufacture of this device, and why?
Assuming that sucrose is produced by the reaction: 12CO2(g)+11H2O(l) yields C12H22O11(s) 12O2(g); delta H=5640kj calculate the percentage of sunlight used to produce the sucrose- that is, determine the efficiency of photosynthesis.
Calculate the energy required to heat 1kg of CO 2 from 400ºC to 600ºC at a constant pressure of 1atm using:-
The binding of the hydrophobic amino acid tryptophan to a protein shows a pronounced hydrophobic effect. The thermodynamic data for the binding of is given below calculate ?
Write balanced equations for the combustion of each component of the fuel gas - Explain the need for excess air.
Calculate the masses of the various streams per 1,000 lb of feed, all on a solvent-free basis. Solve the problem using equilateral-triangle coordinates, right-triangle coordinates, and solvent-free coordinates. Which method is best for thisexercis..
Ethylene and propylene are valuable monomers. A key step in the recovery of these materials is fractionation of the olefin from the corresponding paraffin (ethane or propane). These fractionation steps require refrigeration of the overhead condens..
Consider an inventor who claims to have invented a device which, upon activation, becomes colder when a liquid solution crystallizes spontaneously at constant pressure. Considering the laws of thermodynamics, should a government patent office deny hi..
how much money should be deposited in the fund at the beginning of the program in order to have enough money accumulated to replace a complete $50,000 loss after 10 years?
What is the mass of the water in the container, assuming that all the heat lost by the copper is gained by the water?
Then find the voltage across the 50-Ω resistor and the total power supplied by the source
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