The 0.20-kg particle has a speed v = 10.4 m/s as it passes the position shown. The coefficient of kinetic friction between the particle and the vertical-plane track is k = 0.16. Determine the magnitude of the total force exerted by the track on the particle. What is the change in speed i (positive if speeds up, negative if slows down) of the particle? Answers: p= 5.7 m 36°
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