A Professional Skier Reaches a Speed of 58

question 102

Multiple Choice

A professional skier reaches a speed of 58.0 m/s on a 30° ski slope.Ignoring friction,what was the minimum distance along the slope the skier would have had to travel,starting from rest?

• A)172 m
• B)198 m
• C)343 m
• D)5.92 m
• E)0.291 m

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Definitions:

T Value

A statistic calculated in a t-test that measures the size of the difference relative to the variation in the data.

Group 1

The first group or category in a study or classification scheme.

Variance

Variance measures the dispersion of a set of data points around their mean, quantifying how much the numbers in the set differ from each other.

Independent Groups

A study design where different participants are used in each group of the experiment, with each participant being exposed to only one level of the experimental manipulation.