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1 What is space junk - how is this a hazard to space flight?
2. NASA and other space agencies track space junk - how many individual objects do they track? Are there objects they cannot track?
3. Have there been any debilitating collisions with space junk- if so identify these incidents
4. What is the process is known as collisional cascading, or the Kessler effect ?
5. Private companies are currently the largest supplier of rockets and satellites - do they have any legal responsibility to limit space junk?
In 1987 the World Commission on Environment and Development defined sustainable development as meeting the needs of the present generation without compromising the ability of future generations to meet their needs.
6. Is our access to space becoming more or less sustainable? Does it matter?
7. What would change in our world without the ability to use satellites and the ability to put them or ourselves into space?
The equation of exchange is given by , where is the money supply, is the velocity of money, is the economy’s price level, and is real GDP. Suppose the following diagram shows the current aggregate demand (AD) and aggregate supply (AS) curves in a hyp..
q.use the following table to answer questions a-c.output q0 1 2 3 4 5 6total costtc36 45 52 61 74 91 110a. what is the
Describe how each of these activities affects government, households,and businesses. Describe the flow of resources from one entity to another for each activity.
Fiscal policy changes automatically when output and employment fluctuate a. Explain why tax revenue changes during a recession b. Explain why government spending changes during a recession c. If the federal government was required to operate under a ..
What do you conclude about the implications for the role of government in reducing education costs in order to increase the human capital of the U.S. population? Explain
Explain why when using the expenditure method for determining GDP do we not include expenditure on intermediate goods, but when using the income method, we use the income of factors of production for both intermediate and final goods production?
Your firm, which operates a nationwide system of cancer clinics, has annual profits of $800 million and cash reserves of $500 million. Your clinics have a replacement value of $200 million, and fire insurance for them would cost $5 million per year. ..
In a brief 250 essay Access the website for the Consumer Product Safety Commission (CPSC) and review the functions and responsibilities of the CPSC. Present a reasoned argument as to whether the public would be better served by a "free market" approa..
A car may be purchased with a $3500 down payment now and 72 monthly payments of $480. If the interest rate is 12% compounded monthly, what is the price of the car? using linear interpolation, determine the value of (P/A, 6 1/4%,10) from the compound ..
Zhichao currently has a job in a small city (S) with cheap housing but he has been offered a higher paying job in a big city (B) with expensive housing. His utility function over housing (good x) and all other goods (good y) is U(x,y)=.5*ln(x)+.5*ln(..
Many factors affect the supply and demand of carbonated sodas. Draw and accurately label a graph that shows a decrease in the supply of sodas to the market, you must accurately label the graph. What are the two most significant unintended economic co..
Suppose the layoff rate is 0.02 per month and the average duration of a spell of unemployment is four and a half months. What is the unemployment rate in this economy? Suppose that an increase in employment insurance benefits causes the average durat..
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