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(a) Assuming the earth to be a sphere of...

(a) Assuming the earth to be a sphere of uniform density, calculate the value of acceleration due to gravity at a point (i) `1600 km` above the earth, (ii) `1600 km` below the earth, (b) Also find the rate of variation of acceleration due to gravity above and below the earth's surface. Radius of earth `=6400 km, g =9.8 m//s^(2)`.

A

`4.9ms^(-2)`

B

`9.8ms^(-2)`

C

`7.35ms^(-2)`

D

`19.6ms^(-2)`

Text Solution

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The correct Answer is:
C
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