A 925 Kg Stunt Man Stands on a Piston That Will

question 104

Multiple Choice

A 92.5 kg stunt man stands on a piston that will launch him out of a vertical tube. The piston applies a constant force F to the man's feet. Starting from rest, the force is applied for 1.20 s, and during that time interval, the man attains a velocity of 25.5 m/s. What was the man's apparent weight during this time interval?

• A) Unable to answer without knowing the value of F.
• B) 3740 N
• C) 1970 N
• D) 2830 N
• E) 2870 N

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Definitions:

Given Construct

A given construct refers to a specific concept or theoretical idea that is established and used as a basis for research or analysis.

Content Validity Ratio

A ratio of the number of raters who evaluate an item and the number of raters who deem an item to be an essential component of the construct being measured.

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Reliability

The consistency and dependability of a test, measurement, or experiment to produce the same results under the same conditions over time.