A Girl Attaches a Rock to a String, Which She

question 22

Multiple Choice

A girl attaches a rock to a string, which she then swings counter-clockwise in a horizontal circle. The string breaks at point P in the figure, which shows a bird's-eye view (as seen from above) . Which path (A-E) will the rock follow?

• A) Path A
• B) Path B
• C) Path C
• D) Path D
• E) Path E

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Definitions:

Data

Facts and statistics collected together for reference or analysis, often used as a basis for making decisions or drawing conclusions.

Median

The middle value of a dataset arranged in order of magnitude, or the mean of the two middle values if the set has an even number of observations.

Mean

The mean of a collection of numbers, determined by summing up the values and then dividing by the total count of these values.

Weighted Mean

An average where each datum has a weight that determines its importance, calculating a mean that considers the significance of individual values.