Water (Density = 1

question 55

Multiple Choice

Water (density = 1.0 x10³ kg/m³) flows through a horizontal tapered pipe.At the wide end its speed is 4.0 m/s.The difference in pressure between the two ends is 4.5 x10³ Pa.The speed of the water at the narrow end is:

• A)2.6 m/s
• B)3.2 m/s
• C)4.0 m/s
• D)4.5 m/s
• E)5.0 m/s

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Definitions:

Intelligence

A person's capacity to acquire knowledge, reason, solve problems, think abstractly, understand complex ideas, learn quickly, and adapt to environmental challenges.

Out-group Homogeneity Bias

The perceptual tendency to overestimate the similarity of individuals within an out-group compared to those within an in-group.

Variability

The degree to which data points in a set differ from each other and from the average of the set.

In-group

A social group to which a person psychologically identifies as being a member.