If the gravitational field strength at a height h above the earth of radius r is same as at a depth of r/2 ,then h has value
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Answer:
Consider the earth to be of uniform density.
So, gravitational force at depth=g(1−
r
d
)-----------1
Gravitational force at height=g(1−
r
2h
)----------------2
ATQ, Equation 1 & Equation 2 are equal.
⇒g(1−
r
d
)=g(1−
r
2h
)
⇒d=2h
Explanation:
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