An Open Tank Has the Shape of a Right Circular

question 14

Multiple Choice

An open tank has the shape of a right circular cone. The tank is 12 feet across the top and 7 feet high. How much work is done in emptying the tank by pumping the water over the top edge? Note: The density of water is 62.4 lbs per cubic foot.

• A) 9,172.80 ft-lb
• B) 5,503.68 ft-lb
• C) 7,338.24 ft-lb
• D) 13,759.20 ft-lb
• E) 16,511.04 ft-lb

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Definitions:

Hypothalamus

A region of the brain responsible for producing hormones that control bodily functions like temperature, hunger, and sleep.

Infundibulum

A funnel-shaped structure; in the human body, it is part of organs such as the brain (connecting the pituitary gland to the hypothalamus) and the female reproductive system (the fallopian tubes).

Negative Feedback Mechanism

A regulatory process in biological systems where the output of a system inhibits or slows the processes leading to the output, ensuring stability.

Stimulus

Any external or internal factor that influences the activity of a living organism or any of its parts.