A 30-N Stone Is Dropped from a Height of 10

question 12

Multiple Choice

A 30-N stone is dropped from a height of 10 m and strikes the ground with a speed of 13 m/s.What average force of air friction acted on the stone as it fell?

• A)4.1 N
• B)2.9 N
• C)0.13 kN
• D)7.2 N
• E)1.2 N

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Definitions:

Pollutants

Substances that contaminate the natural environment, causing harmful effects on living organisms and ecosystems.

East Coasts

The term "East Coasts" typically refers to the eastern seaboard of a continent, often associated with the Atlantic Coast in the context of the United States, marked by significant historical, cultural, and economic developments.

Carbon Dioxide Emissions

The release of CO2 into the atmosphere, primarily from burning fossil fuels for energy, which contributes to global warming and climate change.

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