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Draw g' versus d and g versus h graph. H...

Draw g' versus `d and g` versus `h` graph. Here, `d` is depth below the surface of earth and `h` is the height from the surface of earth.

Text Solution

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The variation of `g` with height `h` is related by `gpropa/(r^(2)` where `r=R+h`, i.e. part `AB` of the graph in the figure.

b. The varitation of `g` with depth is related by `g'=g(1-d/R)` i.e., `gprop(R-d)`. Thus the variation of `g` and `d` is a straigt line i.e., part `AC` of the graph in the figure.
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