Asked by Mary

a motorcycle is driven 50 km west then 30 km south and 25 km 30 degree west of south show the vector diagram find the total displacement of motorcycle

Answers

Answered by oobleck
draw the vectors and add them up. The final displacement vector is
<-50,0> + <0,-30> + <-25*0.5 , -25*√3/2>
Answered by henry2,
All angles are measured CW from +y-axis.
Disp. = -50 - 30i + 25[210o] = -50 - 30i + 25*sin210 + (25*cos210)i
Disp. = -50-30i-12.5-21.7i = -62.5 - 51.7i = 81.1km[50.4o] W. of S.
Disp. = 81.1km[230.4o] CW.
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