Identify an object that you use that may have been the result of advancements in space technology

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

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.