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Motion In Straight Line

Question
CBSEENPH11017408

Write an expression for the acceleration due to gravity near the surface of the earth.

Solution

Acceleration due to gravity near the surface of the earth is given by, 
                     straight g subscript straight h equals straight g left parenthesis 1 minus fraction numerator 2 straight h over denominator straight R end fraction right parenthesis 
where, 
h is the distance of the place from the surface of the earth.