An Object Is Dropped Off a Building

question 37

Multiple Choice

An object is dropped off a building. Ignoring air resistance we know from physics that its height above ground t seconds after being dropped is given by Height feet. Determine the object's velocity after 2.5 seconds.

• A) -80 feet per second
• B) -50 feet per second
• C) -20 feet per second
• D) -16 feet per second
• E) -32 feet per second

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Definitions:

Epiphyseal Plate

A growth plate located at the ends of long bones where new bone tissue is produced during childhood and adolescence.

Zone of Resting Cartilage

A region in the epiphyseal plate of growing bones where chondrocytes are not actively proliferating but can be recruited for growth.

Zone of Calcification

A region in growing bones where cartilage cells die and are replaced by bone cells, part of bone growth and development.

Zone of Hypertrophy

A region in growing bone where cartilage cells enlarge and mature, playing a critical role in bone elongation.