A rapid, convenient, and precise method for the absolute determination of the acceleration of gravity

Details A rapid, convenient, and precise method for the absolute determination of the acceleration of gravity A rapid, convenient, and precise method for the absolute determination of the acceleration of gravity

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979amjph..47..542m&link_type=abstract

American Journal of Physics, Volume 47, Issue 6, pp. 542-544 (1979).

Physics

Demonstration Experiments And Apparatus, Laboratory Experiments And Apparatus, Velocity, Acceleration, And Rotation

Scientific paper

A compact and portable apparatus for the measurement of the value for the gravitational acceleration g is described and the results of an experiment is given. It consists of a falling mercury drop and an electronic timing circuit which conveniently and automatically generates a large number of data in a short period of time, yielding results with a high degree of precision. In an experiment on 47 consecutive trials, a value of 982.44 cm sec-2 was obtained with a standard error of the mean of +/-0.02 cm sec-2, and an accuracy of 0.22%.

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