58 - 59 Maxima and minima: cylinder surmounted by hemisphere and cylinder surmounted by cone |
60 - 61 Maxima and minima problems of a folded page |
62 - 63 Maxima and minima: cylinder inscribed in a cone and cone inscribed in a sphere |
64 - 65 Maxima and minima: cone inscribed in a sphere and cone circumscribed about a sphere |
66 - 68 Maxima and minima: Pyramid inscribed in a sphere and Indian tepee |
69 - 71 Shortest and most economical path of motorboat |
705 Centroid of parabolic segment by integration |
706 Centroid of quarter circle by integration |
707 Centroid of quarter ellipse by integration |
708 Centroid and area of spandrel by integration |
709 Centroid of the area bounded by one arc of sine curve and the x-axis |
714 Inverted T-section | Centroid of Composite Figure |
715 Semicircle and Triangle | Centroid of Composite Figure |
716 Semicircular Arc and Lines | Centroid of Composite Figure |
717 Symmetrical Arcs and a Line | Centroid of Composite Line |
718 Square and Triangles | Centroid of Composite Area |
719 Closed Straight Lines | Centroid of Composite Lines |
72 - 74 Light intensity of illumination and theory of attraction |
720 Two triangles | Centroid of Composite Area |
721 Increasing the width of flange to lower the centroid of inverted T-beam |
722 Semicircle and quarter circle | Centroid of composite area |
723 Rectangle, quarter circle and triangle | Centroid of Composite Area |
724 Rectangle, semicircle, quarter-circle, and triangle | Centroid of Composite Area |
725 Centroid of windlift of airplane wing | Centroid of area |
726 Area enclosed by parabola and straigh line | Centroid of Composite Area |