Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 108
Fig. 174 Fig. 175 Fig. 176 (ii) The volume of the hemisphere is f xr, j2 = r cos <{), x = r sin </>, and dx =r cos (t>d(f); hence for the volume X = (tt -4- f^rr^ ) / (js^ — o);»(/x = (3 r/2) i cos^ (f) s\n<f) d(f) = § 3. The centroid of an irregular plane surface or figure can be…
Mechanics
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