Q.

What will be the acceleration due to gravity at height h if h >> R. Where R is radius of earth and g is acceleration due to gravity on the surface of earth

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a

g1+hR2

b

g1−2hR

c

g1−hR2

d

g1−hR

answer is A.

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Detailed Solution

g'=GMR+h2=gR2R+h2=g1+hR2∵g=GMR2
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