A Boat Moves at 10

question 29

Multiple Choice

A boat moves at 10.8 m/s relative to the water.If the boat is in a river where the current is 2.00 m/s,how long does it take the boat to make a complete round trip of 1 100 m upstream followed by a 1 100-m trip downstream?

• A)250 s
• B)172 s
• C)211 s
• D)297 s
• E)​336 s

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Definitions:

Factor Analysis

A statistical method used to describe variability among observed variables in terms of a potentially lower number of unobserved variables called factors.

General Intelligence

A theorized cognitive ability to learn from experience, adapt to new situations, understand and handle abstract concepts, and use knowledge to manipulate one’s environment.

General Intelligence

A theory suggesting that a single factor underlies various cognitive abilities, enabling individuals to perform a range of mental tasks.

Factor Analysis

A statistical method used to identify underlying variables, or factors, that explain the pattern of correlations within a set of observed variables.