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16-12-2022
Physics

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a runner makes one lap around a 400 m track in a time of 47.0 s winding up where she started. what was the runner's average velocity?

Answer :

25-12-2022

A runner completes one loop of a 400 m track in 47.0 seconds, wrapping up where she started, with an average speed of 0 m/s.

Why is mean called the average?

The middle point of a set of values is the mean. It represents the mean of the data set's values. In statistics, the centre number, also known as the mean, is referred to as the average.

How is the average determined?

Average The arithmetic mean is calculated simply adding a set of numbers, dividing by their count, and then taking the result. For instance, the result of 30 divided by 6 is 5, which is the median among 2, 3, 3, 5, 7, & 10.

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