Physics, 14.02.2020 22:49 kae97

A runner first runs a displacement A of 3.20 km due south, and then a second displacement B that points due east. (a) The magnitude of the resultant displacement A + B is 5.38 km. What is the magnitude (in m) of B?

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A runner first runs a displacement A of 3.20 km due south, and then a second displacement B that poi...