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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. 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 *10<sup>20</sup> 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


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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