Question: Show work 49. | | INT A 50 kg ice skater is gliding along the ice, heading due north at 4.0 m/s. The ice has

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49. | | INT A 50 kg ice skater is gliding along the ice, heading due north at 4.0 m/s. The ice has a small coefficient of static friction, to prevent the skater from slipping sideways, but MK = 0. Suddenly, a wind from the northeast exerts a force of 4.0 N on the skater. a. Use work and energy to find the skater's speed after gliding 100 m in this wind. b. What is the minimum value of /s that allows her to continue moving straight north? 64. | | INT A farmer uses a tractor to pull a 150 kg bale of hay up a 15 incline to the barn at a steady 5.0 km/h. The coefficient of kinetic friction between the bale and the ramp is 0.45. What is the tractor's power output

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