Circular motion and gravitation: Introductory Astronomy Free Practice Problems & Quiz Questions

A satellite is in a circular orbit of radius 38.4 × 10⁶ m around Earth (M = 5.97 × 10²⁴ kg, G = 6.67 × 10⁻¹¹ N·m²/kg²). What is its orbital speed, in km/s?