A car is driven west for a distance of 50 km, then north for 30 km, and then in direction 30° east of
north for 25 km. Determine the total displacement of the car from its starting point by drawing the
vector diagram.
x=50−25⋅sin30°=37.5 km,x=50-25\cdot\sin 30°=37.5~km,x=50−25⋅sin30°=37.5 km,
y=30+25⋅cos30°=51.7 km,y=30+25\cdot\cos 30°=51.7~km,y=30+25⋅cos30°=51.7 km,
r=x2+y2=63.8 km.r=\sqrt{x^2+y^2}=63.8~km.r=x2+y2=63.8 km.
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