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What is the free-fall acceleration at its surface, in terms of the free-fall acceleration g at the surface of the earth?.

User Andam
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What is the free-fall acceleration at its surface, in terms of the free-fall acceleration g at the surface of the earth? (2/9)g. Suppose one night the radius of the earth doubled but its mass stayed the same. What would be the value of acceleration due to gravity on its surfac
User IARI
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