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On Sun, 19 Nov 2006 08:13:29 -0500 "R. McDermott" <rmcder@gmail.com>
writes:
I introduce g as the strength of a gravitational field due to theEarth, remind them that it varies
with distance, etc, and has a value of 9.81 N/kg at the Earth'ssurface.
If you wrote that g has a value of 9.8 N/kg at the Earth's surface,
I would agree. But is it correct to add the additional significant
figure and make it 9.81 here??