A Rock Is Thrown Straight Down with an Initial Velocity

question 43

Multiple Choice

A rock is thrown straight down with an initial velocity of 17.5 m/s from a cliff.What is the rock's displacement after 2.0 s? (Acceleration due to gravity is 9.80 m/s². )

• A) 28 m
• B) 49 m
• C) 55 m
• D) 64 m

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Definitions:

Standard Deviation

A metric indicating the extent to which data points diverge from the mean, showing the distribution's spread.

Average Annual Revenue

The mean income generated by a business, entity, or asset within one fiscal year.

Random Sample

A group of people selected from a bigger group, with every person having the same probability of being chosen.

Standard Deviation

A statistical tool that measures the extent of variation or scattering of values in a dataset, pointing out how much the data varies from the mean.