3. A squirrel walks along a telephone cable, occasionally stop- ping, even turning back once before...

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3. A squirrel walks along a telephone cable, occasionally stop- ping, even turning back once before proceeding. The squirrels position as a function of time is shown in Fig. 2.24. What is the average speed for the entire time shown, 0s t 30 s? The average velocity for the entire time?

20 10 10 20 30 s FIGURE 2.24 Position of a squirrel as a function of time.

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246 m 246 8.2 mS 30 Py

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