Which step of technological design is represented by this situation?

after the first month of use, the number of deaths related to air bubbles in an iv tube is analyzed and compared to the number of deaths prior to use of the new device.

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.