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The Eccentricity of Planet Neptune Is So Small That Its

Question 26

Multiple Choice

The eccentricity of planet Neptune is so small that its orbit is nearly circular with radius 4498 × 106 km. Determine Neptune's orbital speed given that Neptune's period is 60180 Earth days.


A) 5.44 km/s
B) 130.45 km/s
C) 163.06 km/s
D) 0.87 km/s
E) 2.72 km/s

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