You Are Given the Shape of the Vertical Ends of a Trough

question 27

Multiple Choice

You are given the shape of the vertical ends of a trough that is completely filled with water. Find the force exerted by the water on one end of the trough. (The weight density of water is $62.4 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ .)

• A) \(780 \mathrm { lb }\)
• B) \(312 \mathrm { lb }\)
• C) \(156 \mathrm { lb }\)
• D) \(1,560 \mathrm { lb }\)

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Definitions:

Control of Attention

Refers to the ability to direct and focus cognitive resources on specific stimuli or activities.

Mental Speed

The rapidity with which an individual can process information, often linked to cognitive ability and intelligence.

Working Memory Capacity

The amount of information that can be temporarily held and manipulated in the mind for cognitive tasks like problem-solving and language comprehension.

Inspection Time

The minimal amount of time an individual needs to distinguish between two stimuli, used as a measure of cognitive speed.