Elementary Theory of the Tides: the Fundamental Theorems Demonstrated Without Mathematics, And the Influence On the Length of the Day Discussed
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In our eReader you can find the full English version of the book. Read Elementary Theory of the Tides: the Fundamental Theorems Demonstrated Without Mathematics, And the Influence On the Length of the Day Discussed Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Elementary Theory of the Tides: the Fundamental Theorems Demonstrated Without Mathematics, And the Influence On the Length of the Day Discussed
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To quickly assess the difficulty of the text, read a short excerpt:
It is easy to deduce from this construction the cor- responding formulae. For, if OB = r, we have Bp=r{l-oos'w). Bntps=^r-Bp=lr{2oos^b)-l)=}rooB2b).
And since sB is proportional to the mean height, the defect 14 THE TIDES.
from this height is proportional to ps, and therefore to cos 2a).
The effect of pressure with such a tide will be extremely small. As it operates to send the water away from its position of greatest elevation, it will so far assist the moon's force without changing the place ...of high water.
To estimate the effect of friction, the moon's force being = - H sin 2(0, the velocity ®, undisturbed by friction = V cos 2(1) {V being the greatest velocity). If the dis- placement caused by friction is very small, we may take this value of » as a sufficient approximation. The friction, assumed proportional to velocity = Vf cos 2aj, and the velocity begins to be checked when py cos 2a) = - fl'sin2aj , _ Vf 366000. _.. . .
or, tan 2bj = - ^ = ^ — /= - 7000/ nearly.
When the displacement (which we shall call S) is sensible!
What to read after Elementary Theory of the Tides: the Fundamental Theorems Demonstrated Without Mathematics, And the Influence On the Length of the Day Discussed?
You can find similar books in the "Read Also" column, or choose other free books by Abbott, Thomas Kingsmill, 1829-1913 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It is easy to deduce from this construction the cor- responding formulae. For, if OB = r, we have Bp=r{l-oos'w). Bntps=^r-Bp=lr{2oos^b)-l)=}rooB2b).
And since sB is proportional to the mean height, the defect 14 THE TIDES.
from this height is proportional to ps, and therefore to cos 2a).
The effect of pressure with such a tide will be extremely small. As it operates to send the water away from its position of greatest elevation, it will so far assist the moon's force without changing the place ...of high water.
To estimate the effect of friction, the moon's force being = - H sin 2(0, the velocity ®, undisturbed by friction = V cos 2(1) {V being the greatest velocity). If the dis- placement caused by friction is very small, we may take this value of » as a sufficient approximation. The friction, assumed proportional to velocity = Vf cos 2aj, and the velocity begins to be checked when py cos 2a) = - fl'sin2aj , _ Vf 366000. _.. . .
or, tan 2bj = - ^ = ^ — /= - 7000/ nearly.
When the displacement (which we shall call S) is sensible!
What to read after Elementary Theory of the Tides: the Fundamental Theorems Demonstrated Without Mathematics, And the Influence On the Length of the Day Discussed?
You can find similar books in the "Read Also" column, or choose other free books by Abbott, Thomas Kingsmill, 1829-1913 to read onlineMoreLess
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