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.

Question

Vocaloid · Answer

vf = vo + 2a*Δx

plug in initial velocity, acceleration, and distance, then solve for vf