A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 148
1 -rr- : -- Hence, if the diameters are inversely as the squares of thevelocities, the forces will be as the fourth powerof the velocities. 244. The central forces are to each other asthe diameters divided by the squares of the peri-odic times. For if C be the circumferencedescribed in the time t,…
Encyclopedias and dictionaries · Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
