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A 69-kg lumberjack stands at one end of a 409-kg floating log, as shown in the figure. Both the log and the lumberjack are at rest initially.
(a) If the lumberjack now trots toward the other end of the log with a speed of 2.7 m/s relative to the log, what is the lumberjack's speed relative to the shore? Ignore friction between the log and the water.
(b) by calculating the lumberjack's speed relative to the shore for the case of a 519-kg log.
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A dolphin wants to swim directly back to its home bay, which is 0.760 km due west. It can swim at a speed of 4.23 m/s relative to the water, but a uniform water current flows with speed 2.92 m/s in the southeast direction. What direction should th..
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What is the final angular velocity
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