A surveying team records the following displacement vectors on three days (24 hour days) of walking, each one in succession (1, then 2, then 3) (Give 2 significant figures): d; = (7 i + 8 j)km, dɔ = (6 i + 2 j)km, and d; = (2 i + 9 j)km. (b): Write the total displacement vector drotal for the three days in Cartesian and polar coordinates give your answer in meters. Your answer should look similar to the three dis- placement vectors given above. (c): Assuming the members of the team could continuously survey for a full 5 days without sleeping, determine the average velocity vector of the team throughout the first three days in Cartesian coordinates. Answer in m/s.

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