12 A small swimming creature has hairy appendages. If the flow rate through the bristles is 3.6 m m 3 / s and 5.1 m m 3 / s without the bristles, what is the leakiness ratio? Give your answer rounded to 1 decimal place. If the creature in Question 12 has bristles that have a diameter of 2 m and a gap of 40 m , what is the approximate Reynolds number according to this previously collected data? density=1036kg/m^3