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The mass of a planet is 1/10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is:

(1) 19.6 m s-2

(2) 9.8 m s-2

(3) 4.9 m s -2

(4) 3.92 m s-2

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Correct option is (4) 3.92 m s-2

The mass of a planet is 1/10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is 3.92 m s-2.

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