33rdifferentia ex sola pendeat gravitate, cum tamen in mole sint Cum deinde velocitatum proportio inter haec collecta fuerit, haec eadem proportio servabitur inter mobilia eiusdem generis, quamvis deinde mole quantumvis differant: tanta enim cum velocitate descendit plumbi frustrum cuius gravitas sit 100 libras, quam plumbi frustrum cuius gravitas sit 100
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