Saturn's E Ring Is Generated by Material Ejected from Its

question 97

Multiple Choice

Saturn's E Ring is generated by material ejected from its moon Enceladus (the bright dot within the ring) , as pictured in the figure below.What is the minimum velocity that
Enceladus's material must achieve in order to become part of the ring? Enceladus has a mass
Of 1.08 *10²⁰ kg and a radius of 250 km.

• A) 3.2 km/s
• B) 1.7 km/s
• C) 1.1 km/s
• D) 0.55 km/s
• E) 0.24 km/s

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Definitions:

Horizontal

Describing a direction or plane that runs parallel to the ground or baseline in a coordinate system, often used to represent stability or equality.

Vertical

Relating to or denoting a direction or plane that is perpendicular to the horizon or to a base line, often used in various fields to describe orientation.

Outlier

An observation in data that is significantly distant from the rest of the observations, often indicating a measurement or entry error, or a novel or extreme value.

Positively Associated

A relationship between two variables where they move in the same direction, implying that as one variable increases, the other one also increases.