Answer:
7 m/s
Explanation:
You want the average speed of the bee for the portion of a journey shown in the graph.
Average speed
The average speed is the ratio of distance to time for the journey of interest. Here, the bee travels from 20 m to 90 m away from the hive, for a distance of (90 -20) = 70 m.
The graph covers a time period from 0 seconds to 10 seconds, a period of 10 seconds.
The bee's speed is then ...
s = d/t = (70 m)/(10 s) = 7 m/s
The average speed for the bee is 7 m/s.
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