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Velocity of a swimmer relative to the Earth [closed]
Julia can swim 0.34 m/s in still water. She swims directly east across a river that is 180 m wide and lands at a point that is 81 m north downstream. Determine Julia's velocity while swimming relative ...
3
votes
5
answers
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Airplane on a treadmill - Variant Thought Experiment
This thought experiment is in a way related to the (in)famous airplane on a treadmill problem.
If you take a ball and place it on a treadmill, will the ball:
Move backwards relative to the ground at ...
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