An Object Is Thrown Vertically and Has an Upward Velocity

question 22

Multiple Choice

An object is thrown vertically and has an upward velocity of 18 m/s when it reaches one fourth of its maximum height above its launch point. What is the initial (launch) speed of the object?

• A) 35 m/s
• B) 25 m/s
• C) 30 m/s
• D) 21 m/s
• E) 17 m/s

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Definitions:

Trabeated System

An architectural system that uses horizontal beams or lintels, which are supported by posts or columns, chiefly used in ancient Greek and Roman architecture.

Arcuated System

An architectural system that uses arches, vaults, and domes to span spaces, characteristic of Roman and Gothic architecture.

Bracketing System

A structural support system in architecture that employs brackets or braces to bear loads, commonly used in traditional and classical buildings.

Timber-Framing System

A construction method using heavy timber framed structures joined by various types of joints, including mortise and tenon, commonly used in buildings prior to the 19th century.