Wright, Mark R., 1854- · London : Longmans · leaf 71
the dotted curve a b d d . . . is formed ;this is the position of the wave after -^^ of a period ; the waveis moving from A towards s. ^% of a second from starting thewave is in the position In ^| of a second the par-ticles will be in their original position, but the wave will havemoved from e to Q… … Fig. 47. H, in y^- period at k, in a complete period at q. T^e distancethe wave travels in one period is one wave-length. For simplicity we have supposed that the particles in fig. 46move in straight lines ; they may move with harmonic motionin ellipses or circles. Suppose o, i, 2, 3, ... a number…
Physics
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