How did the swimmer in the video prepare for the energy demands he was about to place on his body? ?

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.

What is an electric motor? explain its operation. 2-3 sentence

What is the coldest temperature ever recorded in san antonio?