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Posted: **Mon Jul 18, 2022 5:45 am**

: A Biologist Studying The Motion Of Bacteria Notes A Bacterium At Position R 1 2 2i 3 7j 1 2k Um 1um 10 6m After 6 8 1 (458 KiB) Viewed 35 times

A biologist studying the motion of bacteria notes a bacterium at position r 1=2.2i^ +3.7j^_1.2k^um(1um=10-6m). After 6.8 s the bacterium is at r2=4.6i^+1.9k^um. What is its average velocity? Express the answer in unit vector notation Calculate the magnitude of the average velocity.