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chun hua is going on a hike around town. she starts at the top left corner of square 36. she walks 7.0 km west, 4.0 km north and then 4.0 km east. what is her final displacement
5 years ago

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oobleck
relative to her starting point, she ends up at
<-7,0> + <0,4> + <4,0> = <-3,4>
5 years ago
henry2,
Disp. =-7+4i+4 = -3 + 4i = 5km[-36.9o] = 5km[36.9o] W. of N.(323.1o CW).
5 years ago

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