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**Unformatted text preview: **0 h) = 40 km / h . (b) In this example, the numerical result For the average speed is the same as the average velocity 40 km / h. (c) In the interest oF saving space, we brieﬂy describe the graph (with kilometers and hours understood): two contiguous line segments, the frst having a slope oF 30 and connecting the origin to ( t 1 , x 1 ) = (1 . 33 , 40) and the second having a slope oF 60 and connecting ( t 1 , x 1 ) to ( t, x ) = (2 . 00 , 80). The average velocity, From the graphical point oF view, is the slope oF a line drawn From the origin to ( t, x )....

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