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Zero vector

The towed boat doesn’t accelerate perpendicular to the stream it is being pulled along. In other words: $a_x=0$. Furthermore, maybe the forwards-pull just balances out the stream so there is no forwards acceleration either (just a constant speed): $a_y=0$.

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  1. Like “zero vector”, do we have a “one vector”, “two vector” etc.?’ (web page, forum conversation), Steeven Hegelund Spangsdorf, Mathematics Stack Exchange, 2019, (accessed Oct. 9th, 2019)