A hypothetical planet has a mass one-third of and a radius three times that of E

Question

      A hypothetical planet has a mass one-third of and a radius three times that of Earth. What is the acceleration due to gravity on the planet in terms of g, the acceleration due to gravity on Earth?

          The acceleration due to gravity is g.         
          The acceleration due to gravity is g/27.
          The acceleration due to gravity is 9g
          The acceleration due to gravity is 3g
          The acceleration due to gravity is g/3
          The acceleration due to gravity is g/9
      A hypothetical planet has a mass one-third of and a radius three times that of Earth. What is the acceleration due to gravity on the planet in terms of g, the acceleration due to gravity on Earth?

          The acceleration due to gravity is g.         
          The acceleration due to gravity is g/27.
          The acceleration due to gravity is 9g
          The acceleration due to gravity is 3g
          The acceleration due to gravity is g/3
          The acceleration due to gravity is g/9

Explanation / Answer

g/27 times

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