A recent high-precision determination of g has a quoted error of 6 parts in 10 9 .
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A recent high-precision determination of g has a quoted error of 6 parts in 109. Estimate the increase in height at the Earth?s surface which gives a change in g equal to this error. If the dependence of g on geographical latitude at sea level is given by
g =g0 (1 +? sin2??).
where ? is the latitude and ? is a dimensionless constant with a value of 0.0053, estimate the northward displacement near latitude 45o which gives a change in g equal to the quoted error.
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