Find the acceleration due to gravity at a depth 130km below the surface. Radius of the earth 6400km and g at the surface =9.8m/s^2
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9.79ms^-2 is the gravitational acceleration.
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plzz check this.......
g=GM/r2
=6.7×10^-11×6×10^24/[(6400-130)×10^3]^2
=40.2×10^13/(6270×10^3)^2
=40.2×10^13/(6.3×10^6)^2
=402/39.6
=9.9m/s^2
g=GM/r2
=6.7×10^-11×6×10^24/[(6400-130)×10^3]^2
=40.2×10^13/(6270×10^3)^2
=40.2×10^13/(6.3×10^6)^2
=402/39.6
=9.9m/s^2
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