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If the mass of earth is 80 times of that of a planet and diameter is double that of planet and ‘g’ on earth is 9.8 m/s2 , then the value of ‘g’ on that planet is

(a) 4.9 m/s² (b) 0.98 m/s²

(c) 0.49 m/s² (d) 49 m/s²

Answer: c

(12)

5/5 - (1 vote)

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