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Explain the specifics of how these three common drivers most likely contributed to the fast food industry changes.
-Changes in Cost and Efficiency
-Changing societal concerns, attitudes, and lifestyles.
-Changes in ann industry’s long-term growth.
Scenario 1: A single positive charge (+1.0 nC)
1. Which of the following best describes the type of bond that would form between a carbon atom and an oxygen atom, and why?
a. Pure covalent bond
b. Polar covalent bond
c. Ionic bond
d. Metallic bond
2. Which one of the following is a polar molecule and why?
a, CO2
b. CBr4
c. SO3
d. SO2
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If the volume of Lake Powell, a reservoir on the Colorado River, is 24,322,000 acre-feet, and the residence time is 7.2 years,
a. Calculate the inflow of runoff into Lake Powell. (in cubic feet per year)
b. The average depth is 132 ft, what is the surface are in acres? In square miles?
A shotput thrower
releases the shot with a release speed
of 15m/s and a release angle of 42°
above the
horizontal. The initial height that the thrower releases the shot is 2 m
. In all the
problems, neglect the effect of air resistance.
1.
What is the maximum height reached by the shot (relative to the ground)?
2.
How long is the shot in the air for?
3.
How far doe
s the shot travel
horizontally?
4.
What is the vertical velocity just before the shot lands on the ground?
After read Wesley Yang’s article paper tiger. How can conversation help to better prepare young Asian Americans for their future life and career? Give at least three ideaLink to paper tiger: http://nymag.com/news/features/asian-americans-2011-5/
an individual involved in any nutritional experiment consumed a meal consisting of pure protein mix with nutritional fiber compressed into crackers. Trace the process of this mealy the G.I tract from ingestion to elimination considering both mechanical and chemical aspects.
Weather and Climate Lab 3 Question 11.Table 3-2 shows the four radiation fluxes at 7:00a.m. 1:00 p.m. and 8:00 p.m. September 24,2000, at Maun. Complete the table by entering the net surface radiation values.
AZ mills, located on the island of Cuba, has a capacity of 600,000 barrels of crude oil per day. The final products from the refinery include two types of unleaded gasoline; regular and premium. The refining process encompasses four stages:
(1) The pure crude flows through a distillation tower that produces a feedstock
(2) The feedstock output breaks up into two paths; the first path involves feedstock flowing into a cracker unit that refines the mixture into a gasoline stock. The second path has a portion of the feedstock flowing into the blender unit.
(3) The gasoline stock (from the cracker unit) feeds into the blender.
(4) The blender unit produces the final product, regular or premium gasoline. Both the regular and premium gasoline can be produced from either the feedstock or the gasoline stock during the blending process, although at different production costs. The company estimates that the net profit per barrel of regular gasoline is $5.20 from feedstock and $7.70 from gasoline stock. The corresponding profit values for the premium are $14.20 from the feedstock and $13.25 from the gasoline stock. According to design specifications, it takes four barrels of crude oil to produce one barrel of feedstock. The cracker units cannot use more than 40,000 barrels of feedstock per day. All remaining feedstock is used directly in the blender unit to produce the end product gasoline. The demand limits for regular and premium gasoline are 80,000 and 50,000 barrels per day.
a. Determine the optimum production schedule for the refinery
Suppose the capacity of the distillation tower can be increased to 700,000 barrels per day at an initial cost of $4,500,000 and a daily maintenance cost of $25,000 per day. Could you see a return on the investment within one year of operation? (Assume annual operating days = 275, answer the question without rerunning the lindo output, use sensitivity analysis)
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