robertoronastu robertoronastu

15-11-2018
Physics

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Edward travels 150 kilometers due west and then 200 kilometers in a direction 60° north of west. What is his displacement in the westerly direction

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elalarmani elalarmani

15-11-2018

d_{x}=v.cos\O \\ d_{x}=200. \frac{1}{2} \\ d_{x}=100km

\Delta S= d_{o}+d_{x} \\ \Delta S= 150+100 \\ \boxed {\Delta S= 250 km}

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