Figure 8 shows position-time graphs of the straight-line movement of two brown bears in a wildlife preserve. Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the velocity of bear A always positive? Is the velocity of bear B ever negative?

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  1. greater average veloicty means higher slope on position-time.

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  2. Chile

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  3. answer the question

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