The examination of a water drop slowly formed at the end of a glass tube or tap from which it emerges provides another example of this phenomenon. Measure the radius for the zero circle at each setting, and check the value of the graduated scale, by calculating the area and dividing by 2nRb. Energy And Matter Book. Let ACDE be the horizontal plane of maximum area in the drop, so that a tangent plane at is vertical. User Settings.
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