A Spy Satellite Is in Circular Orbit Around the Earth

question 41

Multiple Choice

A spy satellite is in circular orbit around the Earth at an altitude of 500 km above ground.What is the satellite's centripetal acceleration,if it makes one revolution every 90 min? (The radius of Earth is approximately 6400 km.)

• A)1.12 m/s²
• B)2.69 m/s²
• C)5.20 m/s²
• D)9.34 m/s²
• E)9.81 m/s²

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