Identify a coordinate system you could use to describe the motion of a girl swimming across a rectangular pool

If we imagine the rectangular pool to have a length L and a breadth b, the attached figure shows one of the several possible coordinate systems that can be used to locate the position of the girl at any point of time, thus enabling us to describe her motion.

as technology advances, new experiments often expose problems in accepted theories. c

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-lavira: )

answer; equivalent to a one(1) horsepower motor;