Margy is trying to improve her cardio endurance by performing an exercise in which she alternates walking and running 100. 0 m each. If Margy is walking at 1. 4 m/s and accelerates at 0. 20 m/s2 during one of the running portions, what is her final velocity at the end of the 100. 0 m? Round your answer to the nearest tenth. M/s.
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