a. FIGURE EX1.8 shows the first three points of a motion diagram. Is the object€™s average speed between points 1 and 2 greater than, less than, or equal to its average speed between points 0 and 1? Explain how you can tell.

b. Use Tactics Box 1.3 to find the average acceleration vector at point 1. Draw the completed motion diagram, showing the velocity vectors and acceleration vector.

Figure Ex 1.8

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