05:54 Mar 7, 2007 |
Russian to English translations [PRO] Science - Physics | |||||||
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| Selected response from: Nik-On/Off Ukraine Local time: 10:33 | ||||||
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The radii of curvature have been calculated from the chord and sag. Explanation: .. -------------------------------------------------- Note added at 2 hrs (2007-03-07 08:06:29 GMT) -------------------------------------------------- or I have calculated... |
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By chord and deflection I have calculated... Explanation: . |
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I calculated the radii of curvature from chord length and versine [older: sagitta] Explanation: ...where versine is the perpendicular from midpoint of chord to circle's perimeter. Sagitta from latin for 'arrow' not as much used evidently. http://en.wikipedia.org/wiki/Versine |
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