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A skydiver of mass 50.0 kg jumps out of an airplane from a height of 850 m. the parachute deploys, and they land on the ground with a speed of  4.5 m/s. How much energy was lost due to air friction during this jump?

Did you turn submit your score in MML?  What was your score?

Consider the market for pizza. When demand decreases and supply increases, the equilibrium price ________ and the equilibrium quantity ________.

You win $100 in a basketball pool. You have a choice between spending the money now and putting it away for a year in a bank account that pays 5 percent interest. What is the opportunity cost of spending the $100 now?  

Questions 9 to 12 refer to the following production possibilities frontier of a country. Possibility Robots Pizza A 0 40 B 1 39 C 2 37 D 3 34 E 4 30 F 5 20 G 6 0 In possibility A, how many resources are devoted to the production of pizza?

Calculate total revenue when price increases from $5.50 to $7. Did it increase or decrease? Using the concept of the price elasticity of demand, explain why.

Point A can be described as  

Suppose the country is producing at point D.  What is the opportunity cost of increasing the production of rice to 15 tons?

Figure A below is the step-shaped demand curve for printers and Figure B is the step-shaped supply curve for printers. If a printer is offered for free, then consumer surplus amounts to_____. If the price of a printer is $600, then producer surplus is_____.  

John has two hours of free time this evening. He ranked his alternatives, first go to a concert, second go to a movie, third read a novel, and fourth clean the house garage. What is the opportunity cost of attending the concert for John?