Grain Is Falling from a Chute onto the Ground, Forming $1200 \mathrm { ft } ^ { 3 }$

question 88

Multiple Choice

Grain is falling from a chute onto the ground, forming a conical pile whose diameter is always three times its height. How high is the pile (to the nearest hundredth of a foot) when it contains $1200 \mathrm { ft } ^ { 3 }$ of grain?

• A) \(6.99 \mathrm { ft }\)
• B) \(7.88 \mathrm { ft }\)
• C) \(6.28 \mathrm { ft }\)
• D) \(7.5 \mathrm { ft }\)
• E) none of these

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Definitions:

Physiological Psychology

A subfield of psychology that studies the physiological bases of psychological processes and behaviors.

Subjective Feelings

Personal experiences of emotions and sensations that cannot be objectively measured.

Dependent Variable

In an experiment, it is the variable being tested and measured, which is expected to change under different conditions.

Skin Conductance

A measure of the electrical conductance of the skin, which varies with its moisture level and is used as an indicator of emotional or psychological arousal.