Larry leaves home at 9:05 and runs at constant speed to the lamppost seen in FIGURE EX2.3.

Question:

Larry leaves home at 9:05 and runs at constant speed to the lamppost seen in FIGURE EX2.3. He reaches the lamppost at 9:07, immediately turns, and runs to the tree. Larry arrives at the tree at 9:10.

a. What is Larry€™s average velocity, in m/min, during each of these two intervals?

b. What is Larry€™s average velocity for the entire run?

Figure Ex 2.3

x (m) 800 1000 1200 200 400 600


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