Determine the length of the rough patch

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Reference no: EM13276085

On an essentially frictionless horizontal ice-skating rink, a skater moving at 3.1m/s encounters a rough patch that reduces her speed by 42% to a friction force that is 24% of her weight.

(A) Use the work-energy principle to find the length of the rough patch.

Reference no: EM13276085

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