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8. An ice skater of mass 55.2 kg falls and slides horizontally along the ice travelling 4.18 m before stopping. The coefficient of kinetic friction

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8. An ice skater of mass 55.2 kg falls and slides horizontally along the ice travelling 4.18 m before stopping. The coefficient of kinetic friction between the skater and the ice is 0.27. Determine, using the work-energy theorem, the skater's speed at the instant the slide begins. ANS: The initial speed of the skater was 4.7 m/s

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