12. Rotational Kinematics
Rotational Velocity & Acceleration
Multiple Choice
Multiple ChoiceThe dwarf planet Ceres has a radius of , a mass of , and a free fall acceleration due to gravity of . What speed will a rock have if it is orbiting Ceres, right on the surface? Ceres has no atmosphere – so there are no issues with air resistance – but assume that there are no mountains or large boulders to impede the orbit.
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