The Hubble Space Telescope Orbits at an Altitude of 600

question 79

Multiple Choice

The Hubble Space Telescope orbits at an altitude of 600 km above Earth's surface.Assuming it is in a stable circular orbit, what is its velocity? For reference, Earth's radius is 6,400 km and Earth's mass is 6* 10²⁴ kg.

• A) 240,000 m/s
• B) 7,500 m/s
• C) 51,000 m/s
• D) 64,000 m/s
• E) You also must know the mass of the Hubble Space Telescope to determine its speed.

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