A Large Tank Filled with Water Has Two Holes in the Bottom

question 87

Multiple Choice

A large tank filled with water has two holes in the bottom, one with twice the radius of the other.In steady flow the speed of water leaving the larger hole is ________ the speed of the water leaving the smaller.

• A)twice
• B)four times
• C)half
• D)one-fourth
• E)the same as

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Definitions:

Correlational Observation

A research approach that involves observing and measuring the relationship between two or more variables without manipulating them.

Third Variable Assumption

The idea in research that a correlation between two variables might be explained by a third factor that affects both of the original variables.

Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formulation, experimentation, and conclusion.

Psychological Trait

A characteristic way of thinking, feeling, or behaving that is consistent over time and situations and distinguishes one individual from another.