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