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Grade: 11
        
What will be the decrese in the value of g on going at a height R/2 above the earth's surface ?
6 months ago

Answers : (1)

Vikas TU
7091 Points
							
gravity acceleration above the earth is given by the formulae: => geff. = GM/(h + R)^2
where h is the distance from the earth’s surface.
geff. = GM/(R + R/2)^2 => 4GM/9R^2
 
at earth’s surface the g = GM/R^2
decrease in value of g => GM/R^2 –  4GM/9R^2 => 5GM/9R^2
Where G is gravity constant and M is the earth’s mass and R is the radius of earth.
6 months ago
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