Bernoulli, Daniel, Hydrodynamica, sive De viribus et motibus fluidorum commentarii

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133119SECTIO SEXTA.
§. 14. Si ponatur canalis c A d ejuſdem amplitudinis cum tubis con-
junctis
, ejuſque longitudo vocetur l, erit maſſa aquæ in eo contentæ, quam
vocavimus
M = gl;
& aſcenſuspotent. aquæ in illo contentæ, quem poſuimus =
N
v, erit = v, ita ut habeatur N = 1.
Subſtitutis autem, iſtis valoribus pro
litteris
M &
N, prodit longitudo penduli tautochroni pro iſto caſu particulari =
{aaα + aαα + aαl/αb + } = {/αb + } X (a + α + l) = {a + α + l/{b/a} + {β/α}
§. 15. Si ponatur canalis c A d infinitæ ubique amplitudinis, erit
MN
= o (per §.
2. ſect. 3.) & longitudo penduli tantochroni = {a + α/{b/a} + {β/α}}, qua-
ſi
nempe totus canalis intermedius c A d abeſſet, tubique cylindrici inter ſe
immediate
eſſent conjuncti.

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