System S’ has a velocity u = +0.56c relative to system S, as shown in the figure. The clocks of S and S′ are synchronized at t = t′ = 0 when the origins O and O′ coincide. An event is observed in both systems. The event takes place at x =1200 m and at time t = 3.0 μs as measured by an observer in S. What is the time t′ of the event, measured by an observer in S′?  

Keeping in mind that you are to email the grader if you have a question about your test score and you are to email me if you have a question about a question, then the director is so stupid that

In the short run, a firm that shuts down and produces no output incurs a loss equal to its

Which of the following best illustrates the concept of external cost? Bad weather decreases the size of the wheat crop. An increase in the demand for cheese raises the price paid by consumers of pizza, thereby harming these consumers. Smoking harms the health of the smoker. Smoking harms the health of nearby non-smokers.

A student named Sydna lives on a desert island and can either fish or gather dates. If she spends 8 hours fishing, she catches 8 fish; if she spends 8 hours gathering dates, she finds 4 dates. Then, the opportunity cost of catching a fish is:

The demand for and supply of AI chips both increase equally. As a result, the equilibrium price of an AI chip ____ and the quantity ____.

A production point inside a production possibilities frontier indicates

The Lorenz curve in Nation A is closer to the 45º line of equality than the Lorenz curve in Nation B. Consequently, it is definitely the case that Income is distributed more equally in Nation A than Nation B. The average income is higher in Nation A than in Nation B.

Because of an advance in technology, a monopoly finds that its MC curve has shifted downward. The firm will ____ its price and ____ the quantity it produces.

A fall in the price of cabbage from $10.50 to $9.50 per bushel increases the quantity demanded from 18,800 to 21,200 bushels. The price elasticity of demand is