One Consequence of Einstein's Ideas About the Speed of Light

question 52

Multiple Choice

One consequence of Einstein's ideas about the speed of light is that:

• A) if two events take place at the same time, all observers will see that event simultaneously
• B) whether events are seen as simultaneous or not depends on the motion of an observer
• C) observers will always disagree on when an event took place
• D) it is not possible to know when an event happened
• E) moving observers can always know whether they are in motion

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Definitions:

Short-Run Phillips Curve

A graphical representation showing the short-term trade-off between inflation and unemployment rates.

Inflation

The rate of increase in the collective pricing for goods and services, lessening consumer purchase strength.

Less Optimistic

Feeling or expressing a lower expectation that good events will occur or that negative events will not happen.

Phillips Curve Diagram

A graphical representation showing the inverse relationship between the rate of inflation and the rate of unemployment in an economy over time.