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C2: Vectors
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View Full Document A hiker walks 5 miles north, then 2.5 miles northwest, then 1.5 miles
east up a 15 degree slope. How much farther did she travel compared
to the straight line distance between her starting point and destination?
20
◦
±
F
x
y
Find the components of
in the coordinate system shown.
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Unformatted text preview: ± F A swimmer swims directly downstream in a river, starting from a bridge. When he reaches a rock, he turns around and swims upstream back to the bridge. Is the time needed to do this longer, shorter, or the same as if there were no current?...
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This note was uploaded on 03/01/2012 for the course PHY 9HA taught by Professor Markusluty during the Fall '10 term at UC Davis.
 Fall '10
 MarkusLuty
 Physics

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