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Before watching the videos, think about and answer these questions to the best of
An object is moving forward along a straight line. The distance the object travels (in
meters) from its starting position seconds after it starts moving is given by
. Determine the average velocity of the object over the interval from to
m/s m/s m/s m/s m/s m/s m/s m/s
The graph below represents the distance-time relationship for Kevin and Carrie as
they cycled on a road from mile marker 225 to mile marker 230. Compare Kevin and
Carrie’s average speeds from 0 to 17 minutes after they passed mile marker
Kevin’s average speed was greater than Carrie’s.Carrie’s average speed was
greater than Kevin’s.Kevin and Carrie’s average speeds were the same.It is not
possible to tell from this graph.Kevin’s average speed was both greater and less
than Carrie’s speed.
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