A hiker walks 3.05 km north and then 2.75 km east, all in 2.60 hours. Calculate the magnitude (in km) and direction (in degrees north of east) of the hiker's displacement during the given time. Calculate the magnitude (in km/h) and direction (in degrees north of east) of the hiker's average velocity during the given time. What was her average speed (in km/h) during the same time interval?
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do you have any thoughts on any of these problems, or is this just a slow-motion homework dump?