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CBSE Class 9 Answered

Find the height above the surface of the earth where aceleration due to gravity is half,one-third
Asked by suvdol | 24 Aug, 2008, 07:36: PM
Expert Answer

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

where g' is the gravity at depth d,

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

d,is depth ,

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

Answered by | 26 Aug, 2008, 08:09: AM
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