PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!!

a cross country runner runs 3km due east, 5km due south and 8km south west. what is the runners final displacement?

2 answers

change 8km SW to S and W components.

S=8cos45
W=8sin45

Net East= 3-8sin45
Net S=8cos45

Now add this to 5km S

displacement= s(5km+8Cos45)+ E(3-8sin45)

figure that out.
46.30
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