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^-11 N ∙ m²/kg²)

Question

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^-11 N ∙ m²/kg²)

Quizplus · Accepted Answer

The Answer 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^-11 N ∙ m²/kg²) A) 4.0 × 10¹⁹ kg B) 5.1 × 10¹⁷ kg C) 4.0 × 10¹⁶ kg D) 5.1 × 10¹⁴ kg

Spaceman Speff Orbits Spherical Asteroid X with His Spaceship