Question

A person poing for a walk folows the pth shown in the figure, where y-20 m and The totaltipcoists of four streight line pthis. At the end of measured from the starting point? magnitude direction ecounterclockwise from the +x axis yi End 200 m

Answer 1

answer a)from the figure

here d1=100i

d2=-280j

d3=-150cos30i-150sin30j=-130i-75j

d4=-200cos64i+200sin64j=-88i+180j

so the resultant

R=d1+d2+d3+d4=-118i-175j

R=$\sqrt{}$-118²+(-175)²=211m

so answer is 211m

b) angle is

$\Theta$=tan^-1(175/118)=56^o

so the answer is 56^o