To Determine the Height of a Flagpole,Abby Throws a Ball

question 24

Multiple Choice

To determine the height of a flagpole,Abby throws a ball straight up and times it.She sees that the ball goes by the top of the pole after 0.50 s and then reaches the top of the pole again after a total elapsed time of 4.1 s.How high is the pole above the point where the ball was launched? (You can ignore air resistance.)

• A) 10 m
• B) 13 m
• C) 16 m
• D) 18 m
• E) 26 m

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Definitions:

Special Causes

Variations in a process that are caused by specific, identifiable factors, distinguishing them from random, common causes of variation.

Elements of Unsaturation

Calculations used to determine the degree of unsaturation within a molecule, indicating the presence of rings, double bonds, or triple bonds.

Aromatic Ring

A cyclic (ring-shaped), planar (flat) molecule with a ring of resonance bonds that gives it stability and unique chemical properties, commonly found in benzene.

M-Xylene

An aromatic hydrocarbon with two methyl groups attached to a benzene ring at the meta positions.