A Rock Is Thrown Downward from an Unknown Height Above

question 24

Multiple Choice

A rock is thrown downward from an unknown height above the ground with an initial speed of 10 m/s. It strikes the ground 3.0 s later. Determine the initial height of the rock above the ground.

• A) 44 m
• B) 14 m
• C) 74 m
• D) 30 m
• E) 60 m

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Definitions:

New Deal

A series of programs, public work projects, financial reforms, and regulations enacted by President Franklin D. Roosevelt in the United States between 1933 and 1939 to help recover from the Great Depression.

Southern Democrats

Members of the Democratic Party in the southern United States, historically associated with pro-slavery and segregationist policies until the mid-20th century.

New Deal

Initiatives including programs, public works, fiscal reforms, and regulatory measures were launched by President Franklin D. Roosevelt throughout the 1930s in the United States to help the nation recover from the Great Depression.