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CBSE Class 9 Answered

Find the height above the surface of the earth where acceleration due to gravity is one-fourth.
Asked by suvdol | 24 Aug, 2008, 07:38: PM
Expert Answer

use the formula g' =g (1-2h / R)

where g' is the gravity above height h,

g,is the  acceleration due to gravity on surface of earth,R is the radius of the earth,

h,is height above the earth surface.

put the value g' in terms of g and find the answer.

Answered by | 26 Aug, 2008, 08:06: AM
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