Let the Orbital Radius of a Planet Be R and Let

question 73

Multiple Choice

Let the orbital radius of a planet be R and let the orbital period of the planet be T. What quantity is constant for all planets orbiting the sun, assuming circular orbits?

• A) \(T ^ { 2 } / R 3\)
• B) \(T ^ { 2 } / R\)
• C) \(T / R 2\)
• D) \(T ^ { 3 } / R ^ { 2 }\)
• E) T/R

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