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Physics, 02.12.2019 19:30

You (50 kg) are standing on a floating log (200 kg). both are floating down a river at 1 m/s. the log points in the direction along the river. you walk in a direction that is down river for 5 seconds and your speed is 1.5 m/s as measured by a ground observer at the end of the 5 seconds.
a. what is the speed of the log at the end of the 5 seconds?
b. what is the average force between you and the log during those 5 seconds?

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