A Girl Wishes to Swim Across a River to a Point

question 11

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:

Solid Mass

A physical form of matter that has a defined shape and volume without fluid properties.

Skin Lesion

Any noticeable change in the skin's condition, including bumps, discoloration, or areas of swelling, which can indicate a wide range of health issues.

Tumor

An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should.

Irregular Ragged

Characterized by a rough or uneven edge or surface, often found in a description of wounds or fabrics.