Suppose the Position Function for a Free-Falling Object on a Certain

question 171

Multiple Choice

Suppose the position function for a free-falling object on a certain planet is given by $s ( t ) = - 16 t ^ { 2 } + v _ { 0 } t + s _ { 0 }$ . A silver coin is dropped from the top of a building that is 1372 feet tall. Determine the average velocity of the coin over the time interval $[ 3,4 ]$ .

• A) \(- 113 \mathrm { ft } / \mathrm { sec }\)
• B) \(80 \mathrm { ft } / \mathrm { sec }\)
• C) \(112 \mathrm { ft } / \mathrm { sec }\)
• D) \(- 112 \mathrm { ft } / \mathrm { sec }\)
• E) \(- 80 \mathrm { ft } / \mathrm { sec }\)

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Definitions:

Independent Samples

Samples that are collected from distinct, non-overlapping populations, ensuring that measurements from one sample do not influence the measurements from the other.

Degrees Of Freedom

The number of independent pieces of information on which a statistical estimate is based, minus the number of parameters estimated.

T Procedure

A statistical method used to infer the mean of a small sample size when the population variance is unknown.

Transform The Data

The process of applying a mathematical modification to data in order to make it more suitable for analysis.