You Want to Swim Straight Across a River That Is

question 11

Multiple Choice

You want to swim straight across a river that is wide.You find that you can do this if you swim at an angle of θ = 28° from the upstream direction at a constant rate of relative to the water.At what rate does the river flow? The angle θ is measured from the river bank (directly upstream is while directly across the river is

• A) 1.3 m/s
• B) 0.70 m/s
• C) 1.6 m/s
• D) 1.8 m/s

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Definitions:

Left Subclavian Artery

A major artery that arises from the aortic arch, supplying blood to the left arm and parts of the brain and chest.

Arteries

Blood vessels that carry oxygenated blood away from the heart to the body tissues, with the exception of the pulmonary arteries.

Capillaries

Tiny blood vessels that connect arteries and veins, facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues.

Veins

Tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood towards the heart.