What Is the Maximum Hydrostatic Force a Dam Would Need

question 63

Multiple Choice

What is the maximum hydrostatic force a dam would need to withstand if it has the shape of a semicircle with a height (radius) of 50 feet? [The density of water is 62.4 lbs/ft³.]

• A) 5,200,000 lbs
• B) 7,800,000 lbs
• C) 10,400,000 lbs
• D) 11,031 lbs

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Definitions:

Confidence Interval

A scale of values, originating from sample statistical analysis, projected to house the value of an undetermined population parameter.

Standard Deviation

A quantification of the degree to which a set of values is spread out or dispersed, indicating the extent of deviation from the average value.

Confidence Interval

A set of values that comes from sample statistics, expected to encompass the value of a parameter from an unknown population.

Sample Mean

The average value calculated from a sample of data, representing the central tendency of the sample.