On an essentially frictionless ice rink a skater moves at 3
On an essentially frictionless ice rink, a skater moves at 3 m/s. They encounter a rough patch of ice (with friction) that reduces their speed by 45% due to a friction force that is 25% of their weight. Find the length of the rough patch.
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a car makes a trip due north for three-fourths of the time and duesouth one-fourth of the time the average northward
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on an essentially frictionless ice rink a skater moves at 3 ms they encounter a rough patch of ice with friction that
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