7. About 10,000 Btus of heat input are required for an electric utility to produce 1 kilowatt-hour (kwh) of electrical energy. How many metric tons (and how many tons) of coal must be supplied each hour to provide the input heat requirements for a 1,000-megawatt (1 million-kilowatt, or 106-kilowatt) power plant?
What are the advantages to using a genetic risk score when determining a patient’s risk of a disease, as opposed to simply examining the key single nucleotide polymorphism? What are the disadvantages?
Describe the roles of steroid sex hormones in the process of reproduction.
Describe the roles of steroid sex hormones in the process of reproduction. Sex hormones are fat soluble hormones that are known as steroids in nature that tends to controlthe sex and reproduction…
1. Given the following experimental data, calculate the molarity and the pKa of the acid analyte (HA) in the titration, if the balance neutralization reaction is
HA + NaOH à NaA + H2O.
A pH reading of 3.65 was obtained when 13.0 mL of 0.413 M NaOH was added to the 25.0 mL analyte.
The endpoint was achieved when 31.25 mL of NaOH had been added.
A small asteroid is 1 light year (in the earth’s frame) from earth and is traveling towards the
earth at 0.85c. At this time, scientists launch a missile towards the rocket at a speed of 0.75c.
The missile is equipped with a timer that should cause the missile to explode when it reaches
the asteroid.
a) Taking the direction towards the asteroid to be the x-axis, with the earth at
x= 0, find the trajectory x(t) of the asteroid in the frame of the earth.
(b) What is the trajectory
x'(t’) of the asteroid in the missile’s frame? At what value of t’ does the the asteroid meet the missile at
x’= 0?
(c) What should the timer on the missile be set to for the earth to be saved?
(d) What is the velocity of the missile in the asteroid’s reference frame?
Ken Corporation is in the process of preparing its annual financial statements for the fiscal year ending, December 31, 2012. The company sells widgets to various manufactures and stores in the area. They are publicly traded. The inventories are valued at Lower cost or market. Inventory is done on the LIFO basis. The company also had a loss in inventory at yearend of $ 300,000, due to obsolescence.Property, Plant and Equipment: Are classified in the following major categories: Land, office buildings, furniture and fixtures, equipment, and leasehold improvements. All fixed assets are carried per U.S. Gaap requirements for cost. The depreciation methods used depend on the type of asset, and when it was acquired. The following are straight line: Office buildings, furniture and fixtures, and equipment. Leasehold improvements are depreciated using the sum of year’s method.Kens Corporation plans to present the inventory and fixed amounts in its December 31, 2012 balance sheet as shown below:
An astronaut on the Mars attaches a small brass ball to a 1.00- length of string and makes a simple pendulum. She times 12 complete swings in a time of 38.4 seconds. From this measurement she calculates the acceleration due to gravity on the Mars.
A patient has experienced nausea and vomiting, headache, malaise, low grade fever, abdominal cramps, and watery diarrhea for 72 hours. His white count is elevated with a shift to the left. He is requesting medication for diarrhea. What is the most appropriate response?
An arrow is shot at an angle of =45 above the horizontal. The arrow hits a tree a horizontal distance D=220m away, at the same height above the ground as it was shot. Use g=9.8m/s2 for the magnitude of the acceleration due to gravity.Find ta, the time that the arrow spends in the air.How long after the arrow was shot should the apple be dropped, in order for the arrow to pierce the apple as the arrow hits the tree?
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