On an essentially frictionless, horizontal ice rink, a skater moving at 3.0 m/s encounters a rough patch that reduces her speed to 1.65 m/s due to a friction force that is 25% of her weight. Use the work–energy theorem to find the length of this rough patch.
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On an essentially frictionless, horizontal ice rink, a skater
moving at 3.0 m/s encounters a rough patch that reduces her speed
to 1.65 m/s due to a friction force that is 25% of her weight. Use the
work–energy
theorem to find the length of this rough patch.
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