An Astronaut at Rest Has a Heart Rate of 65

question 29

Multiple Choice

An astronaut at rest has a heart rate of 65 beats/min.What will her heart rate be as measured by an earth observer when the astronaut's spaceship goes by the earth at a speed of 0.80c?

• A) 108 beats/min
• B) 39 beats/min
• C) 81 beats/min
• D) 52 beats/min

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Definitions:

Consumer Surplus

The contrast between what consumers can and will pay for a good or service and their actual expenditure on it.

Producer Surplus

The difference between the amount that producers are willing and able to sell a good for and the amount they actually receive (market price).

Total Surplus

The sum of consumer surplus and producer surplus, representing the total net benefit to society from a market transaction.

Deadweight Loss

The reduction of economic efficiency that happens when the free market does not achieve equilibrium for a particular good or service.