If G is Universal grsvitational constant and R is the radius of the earth then acceleration due to gravity'g' and the mean density of the earth D are related by which equation?

Asked by Nidhi Jarodiya | 11th Oct, 2013, 08:47: PM

Expert Answer:

The acceleration due to gravity is given as
g = GM/R2
 
Now, mass is given as
M = density × volume
   = D × (4/3) ? R3
 
Thus, we have
 

Answered by Romal Bhansali | 12th Oct, 2013, 10:20: AM

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