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## Homework Statement

If you were trying to cross a river with the shortest possible time, would you aim your boat slightly upstream, directly across the river, or slightly downstream? Explain.

## Homework Equations

w = water

s = shore

b = boat

## The Attempt at a Solution

I thought about this question but I'm not sure if I should take distance into account. Because, technically, while the velocity for downstream is the greatest, doesn't the distance increase? As you can see in the picture, it looks like they will all take the same amount of time because the distance keeps increasing.