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Kinematics Question: A motorboat and a log in a stream
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[QUOTE="dudu, post: 6391686, member: 681803"] [B]Homework Statement:[/B] A river flows with a uniform velocity v. A person in a motorboat travels 1.9km upstream, at which time she passes a log floating by. Always with the same throttle setting, the boater continues to travel upstream for another 60.8min and then returns downstream to her starting point, which she reaches just as the same log does. Calculate the velocity of the river. [B]Relevant Equations:[/B] listed below I found vlog=1.9/t and vb-v=1.15/t and vb+v=d+1.15/60.8 don't know what to do now [/QUOTE]
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Kinematics Question: A motorboat and a log in a stream
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