A 020-Km Wide River Has a Uniform Flow Speed of 4

question 24

Multiple Choice

A 0.20-km wide river has a uniform flow speed of 4.0 m/s toward the east. It takes 20 s for a boat to cross the river to a point directly north of its departure point on the south bank. In what direction must the boat be pointed in order to accomplish this?

• A) 23° west of north
• B) 20° west of north
• C) 24° west of north
• D) 22° west of north
• E) 17° west of north

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Definitions:

Predict

The act of forecasting or projecting possible future events based on current knowledge or data.

I Data

Informant data, which includes observations and assessments of an individual's behavior by others, often used in personality research for a more external viewpoint.

Self-Monitoring

The practice of observing and managing one's behavior in social situations to conform to the perceived expectations of others.

Self-Efficacy

One’s beliefs about the degree to which one will be able to accomplish a goal if one tries.