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What Is the Circular Velocity of an Object Orbiting Earth vc=GMrv _ { c } = \sqrt { \frac { G M } { r } }

Question 34

Multiple Choice

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? Hint: vc=GMrv _ { c } = \sqrt { \frac { G M } { r } } ; G = 6.67  10 -11 m3 /s 2 /kg


A) 0.2 m/s
B) 2 m/s
C) 20 m/s
D) 200 m/s
E) 2,000 m/s

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