As a Speeding Train Crosses a Trestle Over a Deep $x ^ { 2 } = - 6.0 ( y - 110 )$

question 166

Multiple Choice

As a speeding train crosses a trestle over a deep gorge, a child drops his toy plane from the window.The path of the toy plane is modeled by $x ^ { 2 } = - 6.0 ( y - 110 )$ , where y is the height above the floor of the gorge and distances are measured in feet.How far will the toy plane travel horizontally before it hits the bottom of the gorge? [Note: The toy plane does not glide; it "drops like a rock."]

• A)6.0 ft
• B)10 ft
• C)25.7 ft
• D)110 ft
• E)660.0 ft

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Definitions:

Equilibrate

The process of achieving balance or stability within a system, particularly in the context of cognitive development as described by Jean Piaget.

Piaget

A psychologist known for his theory of cognitive development that describes how children's intellect grows through stages.

Logically

In a manner that is based on clear, sound reasoning or the formal principles of reasoning.