Two objects are traveling at the same speed. Object A has less mass than Object B. Which of the following is NOT true? Object A has less matter in it than Object B.

Object A has less kinetic energy than Object B.

The objects have the same kinetic energy.

None of the above

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.