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Human reaction time is usually greater than 0.10 s.If your friend holds a ruler between your fingers and releases it without warning,how far can you expect the ruler to fall before you catch it,assuming negligible air resistance?
Opportunity Cost
The cost of forgone alternatives when one option is chosen over another.
Outboard Motors
Engine units mounted externally on the rear of a boat, providing propulsion through the water.
John Maynard Keynes
A notable British economist whose theories substantially modified the framework of macroeconomics and influenced the economic decision-making of governments.
Scarcity
A fundamental economic problem of having seemingly unlimited human wants in a world of limited resources.
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