You Are a Fireworks-Launcher,and Launch a Fireworks Shell into the Air

question 36

Multiple Choice

You are a fireworks-launcher,and launch a fireworks shell into the air directly above you with an initial speed of 227 m/s.If it explodes at the top of its trajectory,how long after launch do you hear the explosion? Assume 343 m/s for the speed of sound.

• A)23.1 s
• B)30.8 s
• C)38.6 s
• D)46.1 s
• E)None are correct.

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Definitions:

Economic Structure

The classification of an economy based on various sectors, such as agriculture, manufacturing, and services, indicating the allocation of resources among these sectors.

Ownership Of Resources

The legal right or control individuals or entities have over natural, physical, or intellectual properties and resources.

Economic Activities

Activities that involve the production, distribution, and consumption of goods and services within an economy.

Absolute Advantage

The capability of a country or individual to produce more of a good or service with the same amount of resources as competitors.