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Physics, 18.01.2021 21:10 ibrahimrathwalp96hmj
The water in the river moves with the speed 0.523 km/h. Alice and Bob can swim with the speed 2.62 km/h with respect to the water. They want to get from point A on one bank of the river to point B directly across on the other bank. Alice swims along the straight line AB, while Bob swims with a velocity perpendicular to the river and lets the flow take him some distance downstream. After that, he walks to point B along the river. What is the speed of his walk if he reaches point B at the same time as Alice
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The water in the river moves with the speed 0.523 km/h. Alice and Bob can swim with the speed 2.62 k...
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