Mathematics, 19.01.2021 04:40, Amyra2003

A dolphin swims due east for 2.10 km, then swims 6.60 km in the direction south of west. What are the magnitude and direction of the vector that will take the dolphin back to its starting point? (Enter the magnitude in km and the direction in degrees north of east.) Magnitude (km)?
Direction?

please explain well.

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A dolphin swims due east for 2.10 km, then swims 6.60 km in the direction south of west. What are th...