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Calculate the value of acceleration due ...

Calculate the value of acceleration due to gravity at a point a. 5.0 km above the earth's surface and b. 5.0 km below the earth's surface. Radius of earth =6400 km and the value of g at the surface of the earth is 9.80`ms^2`

A

`9.78ms^(2),9.79ms^(2)`

B

`9.78ms^(2),0`

C

`9.79ms^(2),0`

D

`9.78ms^(2),9.78ms^(2)`

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A
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