Mathematics, 13.03.2021 01:30 jenisimonsow6ddf
Una persona camina 7 kilómetros hacia el norte, después 3 kilómetros hacia el este y, luego, 3 kilómetros hacia el sur. ¿A qué distancia está del punto de partida
Answers: 2
![\vec r_{1} = 7\,\hat{j}\,[km]](/tpl/images/1193/2416/2055f.png)
![\vec r_{2} = 3\,\hat{i}\,[km]](/tpl/images/1193/2416/b6f97.png)
![\vec r_{3} = -3\,\hat{j}\,[km]](/tpl/images/1193/2416/84131.png)
(1)![\vec R = 3\,\hat{i} + 4\,\hat{j}\,[km]](/tpl/images/1193/2416/4dd72.png)
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Una persona camina 7 kilómetros hacia el norte, después 3 kilómetros hacia el este y, luego, 3 kilóm...
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