A lumberjack is standing on a log floating on a lake. She starts from rest, then runs along the log to the end, when she jumps from the first log onto a second. After landing safely on the second log, she slows down and ends up standing on the second log. Both logs both have masses of 150 kg each and the mass of the lumberjack is 70 kg. The lumberjack reaches a speed of 7.0 m/s relative ko the shore during her jump. What is the speed of the lumberjack after she has stopped on the second log? You may assume the drag of the water on the logs is very small. Please answer in units of m/s.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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A lumberjack is standing on a log floating on a lake. She starts from rest, then runs
along the log to the end, when she jumps from the first log onto a second. After
landing safely on the second log, she slows down and ends up standing on the
second log. Both logs both have masses of 150 kg each and the mass of the
lumberjack is 70 kg. The lumberjack reaches a speed of 7.0 m/s relative to the shore
during her jump. What is the speed of the lumberjack after she has stopped on the
second log?
You may assume the drag of the water on the logs is very small. Please answer in
units of m/s.
Transcribed Image Text:A lumberjack is standing on a log floating on a lake. She starts from rest, then runs along the log to the end, when she jumps from the first log onto a second. After landing safely on the second log, she slows down and ends up standing on the second log. Both logs both have masses of 150 kg each and the mass of the lumberjack is 70 kg. The lumberjack reaches a speed of 7.0 m/s relative to the shore during her jump. What is the speed of the lumberjack after she has stopped on the second log? You may assume the drag of the water on the logs is very small. Please answer in units of m/s.
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