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Spaceman Speff Orbits Spherical Asteroid X with His Spaceship

Question 20

Multiple Choice

Spaceman Speff orbits spherical asteroid X with his spaceship.To remain in a circular orbit at 421 km from the asteroid's center,he should maintain a speed of Spaceman Speff orbits spherical asteroid X with his spaceship.To remain in a circular orbit at 421 km from the asteroid's center,he should maintain a speed of What is the mass of planet X? (G = 6.67 × 10<sup>-11</sup> N ∙ m<sup>2</sup>/kg<sup>2</sup>) A) 4.0 × 10<sup>19</sup> kg B) 5.1 × 10<sup>17</sup> kg C) 4.0 × 10<sup>16</sup> kg D) 5.1 × 10<sup>14</sup> kg What is the mass of planet X? (G = 6.67 × 10-11 N ∙ m2/kg2)


A) 4.0 × 1019 kg
B) 5.1 × 1017 kg
C) 4.0 × 1016 kg
D) 5.1 × 1014 kg

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