Water (Density = 1

question 39

Multiple Choice

Water (density = 1.0 x10³ kg/m³) flows downhill through a pipe of diameter 1.5 cm.Its speed at the top of the hill is 7.2 m/s.If the hill is 9.5 m high, what is the gravitational potential energy density of the water at the top of the hill relative to the bottom?

• A)cannot be calculated without knowing the pressure
• B)120 J/m³
• C)7.2 x 10³ J/m³
• D)9.5 x 10³ J/m³
• E)9.3 x 10⁴ J/m³

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Definitions:

Groupthink

A psychological phenomenon that occurs within a group of people, in which the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.

Suppress Dissension

The act of preventing or reducing disagreement or opposition, typically within a group or organization.

Deindividuation

A psychological state characterized by diminished self-consciousness, reduced social identity, and disinhibited behavior, often occurring in group settings.

Groupthink

A psychological phenomenon that occurs within a group of people when the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.