The range and standard deviation of a distribution are __________.
2 answers:
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1) The average velocity is 56 m/min
2) The average velocity is -83 m/min
Explanation:
1)
The average velocity of an object is given by
where
d is the displacement (change in position)
t is the time elapsed
In the graph in the problem, the displacement corresponds to the distance, therefore to the change in the y-variable (), while the time elapsed is the change in the x-variable (
), so the average velocity can be written as
At point A, we have:
At point B, we have:
So, we have
So the average velocity is
2)
In this part instead, we have the following:
At point F, we have:
At point H, we have:
So, we have
So the average velocity is
Learn more about velocity:
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