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Aluge and its rider, with a total mass of 50 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 30 m/s. if a force slows them to a stop at a constant rate of 4.1 m/s2, (a) what magnitude f is required for the force, (b) what distance d do they travel while slowing, and (c) what work w is done on them by the force? what are (d) f, (e) d, and (f) w if they, instead, slow at 8.2 m/s2?
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