A Force of 30 N Is Required to Maintain a Spring

question 48

Multiple Choice

A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a length of 15 cm. How much work is done in stretching the spring from 11 cm to 24 cm?

• A) \(11.65 \mathrm{~J}\)
• B) \(9.45 \mathrm{~J}\)
• C) \(12.65 \mathrm{~J}\)
• D) \(8.45 \mathrm{~J}\)
• E) \(10.65 \mathrm{~J}\)

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Definitions:

Population Mean

The average or central value of a set of numbers or measurements in the entire population under study.

Sample Mean

The average value of a sample set of numbers, which serves as an estimate of the population mean.

Mean

The average value of a set of numbers, calculated by dividing the sum of the numbers by the count of numbers.

Risk Management

The process of identifying, assessing, and prioritizing risks followed by the application of resources to minimize, control, or eliminate them.