A Satellite Is in a Circular Orbit About the Earth

question 71

Multiple Choice

A satellite is in a circular orbit about the Earth at a distance of one Earth radius above the surface.What is the speed of the satellite? (The radius of the Earth is 6.4 x 10⁶ m,and G = 6.67 x 10^-11 N*m²/kg². )

• A)2 800 m/s
• B)4 200 m/s
• C)5 600 m/s
• D)16 800 m/s

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