A History of MechanicsDover Publications, 1988 - 662 стор. A remarkable work which will remain a document of the first rank for the historian of mechanics. -- Louis de Broglie |
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... coordinates ) . These two equations must be satisfied identically by V. Hamilton verifies that , by differentiating ... coordinates are replaced by the Lagrange variables defined in the following way , N1 , N2 , ... instead of the final ...
... coordinates of space and time have a direct physical meaning . This circumstance does not apply to more general cases , as the following example shows . " In a region free from all gravitational field consider a galilean system of ...
... coordinates are directly measurable by means of an unit measuring - rod , and so that differences of time are direct- ly measurable by means of a standard clock . " Einstein remarks that every measurement is expressed by the coincidence ...
Зміст
CHAPTER ONE HELLENIC SCIENCE | 19 |
ALEXANDRIAN SOURCES AND ARABIC MANUSCRIPTS | 32 |
THE XIIIth CENTURY THE SCHOOL OF JORDANUS | 38 |
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