During the Construction of a High-Rise Building, a Worker Accidentally

question 148

Multiple Choice

During the construction of a high-rise building, a worker accidentally dropped his portable electric screwdriver from a height of 144 ft. After t sec, the screwdriver had fallen a distance of ft. What was the velocity of the screwdriver at the time it hit the ground?

• A) 12 ft/sec
• B) 96 ft/sec
• C) 768 ft/sec
• D) 48 ft/sec

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Definitions:

True Vocal Cords

The vocal folds in the larynx, mainly involved in producing sound for speech.

Cricoid Cartilage

A ring-shaped cartilage forming the lower part of the larynx and providing connection to the trachea.

Primary Bronchi

The two main branches of the trachea that lead into the lungs, providing a pathway for air to enter and exit the lungs.

Gas Exchange

The biological process through which different gases are transferred in opposite directions across a specialized surface, such as in the lungs or leaves of plants.