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Directions: Show all work in the spaces provided. Place a box aroun final numerical answers. Round all answers to two significant figures 1. A person moves along the x-axis. At time t, 10 s, he is at a position x, 4 m. At time t2 15 s, he is at a positionx2 19 m. Find (a) the displacement Δχ, (b) the time interval Δ, and (c) the average velocit 10 15 20
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19-4- 15m Ans. 5 sec As (b) The time Interval △t- di-h- 15-10 15 5

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