A wildlife researcher is tracking a flock of geese. The geese fly 4.5 km due west, then turn toward the north by 45 degrees and fly another 3.5 km. How far west are they of their initial position? What is the magnitude of their displacement?
Your next patient is a 45 year old woman who was found walking in the middle of the street talking to an invisible person named “Sam”. Her face and hands are bloody and it appears that she had either fallen or been assaulted. The ER doctor has ordered the following exams: facial bones;
March 15, 2016
10:50 am
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