A speed skater moving across frictionless ice at 8.4 m s, Ask an Expert

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Q. A speed skater moving across frictionless ice at 8.4 m/ s hits a 5.2 m -wide patch of rough ice. She slows steadily, then continues on at 6.3 m/s.

Q. Describe the events that occur as water molecules start in hot bath water and end up on the surface of the bathroom mirror.

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