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    Foundations of Astronomy Study Set 1
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    Exam 5: Gravity
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    What Is the Circular Velocity of an Object Orbiting Earth
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What Is the Circular Velocity of an Object Orbiting Earth

Question 9

Question 9

Multiple Choice

What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? G = 6.67*10-11 N m2 kg-2 What is the circular velocity of an object orbiting Earth at a distance of 100,000 km from Earth's center? G = 6.67*10<sup>-</sup><sup>11</sup> N m<sup>2</sup> kg<sup>-</sup><sup>2</sup>   A)  2 m/s B)  20 m/s C)  200 m/s D)  2000 m/s E)  20,000 m/s


A) 2 m/s
B) 20 m/s
C) 200 m/s
D) 2000 m/s
E) 20,000 m/s

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