An Astronaut Stands by the Rim of a Crater on the Moon

question 185

Multiple Choice

An astronaut stands by the rim of a crater on the Moon, where the acceleration of gravity is 1.62 and there is no air. To determine the depth of the crater, she drops a rock and measures the time it takes for it to hit the bottom. If the depth of the crater is 120 m, how long does it take for the
Rock to fall to the bottom of the crater?

• A) 32.1 s
• B) 37.5 s
• C) 12.2 s
• D) 29.3 s
• E) 3.04 s

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Definitions:

Association

A relationship or connection between two or more variables, where changes in one variable may be related to changes in another, though not necessarily causally.

Row Variable

In data analysis, a row variable refers to a variable that is represented by rows in a matrix or table format, distinguishing different observational units.

Column Variable

A variable represented by a column in a dataset, where each entry in the column represents a different value of the variable.

Continuous Distribution

A probability distribution that assumes an infinite number of possible values in a continuous range.