An 82 kg lumberjack stands at one end of a 355 kg floating, Ask an Expert

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Q1. A 16kg loudspeaker is suspended 2.5m below the ceiling by two cables that are each 60 degrees from vertical. What is the tension on cables?

Q2. An 82 kg lumberjack stands at one end of a 355 kg floating log. Both the log and the lumberjack are at rest initially. If the lumberjack now trots toward the other end of the log with a speed of 2.70 m/s relative to the log, what is the lumberjack's speed relative to the shore? Overlook friction between the log and the water.

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