 | James L. Meriam - Mechanics, Applied - 1966 - 376 pages
...specific gravity * may float in water. If a, b be the external and internal radii, the condition is since the volume of a sphere varies as the cube of the radius. Hence EQUILIBRIUM OF FLOATING BODIES 221 Ex. 2. A uniform elliptic cylinder floats with its axis horizontal.... | |
 | 396 pages
...melting down two gold plates 8 in. and 10 in. in diameter, the thickness being the same throughout. 12. The volume of a sphere varies as the cube of the radius. Two spheres of gold, of radii r¡ and r2, are melted down into a single sphere. Find its radius. 13.... | |
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The volume of a sphere varies as the cube of the radius, and the surface area of a, sphere as the square of the radius. 
