A Roller Coaster Has a Loop of Radius 16

question 48

Multiple Choice

A roller coaster has a loop of radius 16.0 m.What does the linear speed of the roller coaster car have to be at the top of the loop for the passengers to feel weightless?

• A)2.50 m/s
• B)3.75 m/s
• C)7.0 m/s
• D)12.5 m/s
• E)15.5 m/s

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Definitions:

Ordinal-Level

Refers to a level of measurement where data can be ordered or ranked, but the distances between ranks are not necessarily equal.

Point Biserial

A correlation coefficient used to measure the relationship between a binary variable and a continuous variable.

Nominal-Level

Classification of data, for which the measurement scales are categorized without any order or ranking implied among the values.

Coefficient of Determination

A numerical indicator showing the fraction of the variance in a dependent variable accounted for by one or more independent variables within a regression analysis.