Beaufort Canal Has a Semi-Elliptical Cross Section with a Width

question 150

Multiple Choice

Beaufort Canal has a semi-elliptical cross section with a width W = 67 feet and a depth D = 13 feet (see figure) . The keel on Sasha's yacht rides 5 feet below the water line at the keel's deepest point. If the yacht travels parallel
To the canal, and assuming the canal is completely full of water, how close can Sasha bring the yacht's centerline
To the edge of the canal without running aground? (The keel is the very bottom of a boat hull and runs directly
Below the boat's centerline from front to back.)

• A) 4 ft
• B) 5 ft
• C) 12 ft
• D) 21 ft

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Definitions:

Actin And Myosin

Two proteins that form the basis of muscle contraction and movement in cells, playing a crucial role in the sliding filament model of muscle contraction.

Optimal Overlap

The ideal arrangement of actin and myosin filaments within a muscle fiber for maximum muscle contraction efficiency.

Muscle Tension

The force generated by the contraction of muscles, important in movement, maintenance of posture, and the production of body heat.

Contraction

The process of a muscle becoming shorter and tighter, usually in response to a nerve impulse.