A rocket takes of from rest on a launchpad with constant acceleration. After 30.0 s the rocket is 1100.0 m above the launch pad. Determine the rocket's acceleration in m/s2.

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.