A Girl Wishes to Swim Across a River to a Point

question 5

Multiple Choice

A girl wishes to swim across a river to a point directly opposite as shown.She can swim at 2 m/s in still water and the river is flowing at 1 m/s.At what angle $\theta$ with respect to the line joining the starting and finishing points should she swim?

• A)30°
• B)45°
• C)60°
• D)63°
• E)90°

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Definitions:

Distribution Shape

Refers to the geometric arrangement of data points in a distribution, common shapes include normal, skewed, or bimodal distributions.

Mean Number

The arithmetic average of a set of values, calculated by dividing the sum of all values by the number of values.

Median Salary

The middle value of salaries when they are arranged in ascending or descending order, effectively dividing the data set into two equal halves.

Mean

The arithmetic average of a set of numbers, calculated by summing all the numbers and dividing by the count of those numbers.