The body of a snorkeler swimming in salt water has a resistance of about 625 ω. If the snorkeler is unfortunate enough to be struck by the eel, what current will flow through her body?.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y