Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 156
, as, for instance, at the bottom of a deep mine, Fig.89, it may be conceived as being uponthe inside of a hollow shell, the thick-ness of which is everywhere equal tothe depth of the mine, and also uponthe outside of a smaller sphere, theradius of which is the distance of thisparticle from the… … Fig. S9. The weight of a bodyinside the earth. er sphere. If - ^ r3 d represents the mass of the earth, and r its radius, and - ■^ /•3 d the mass of the smaller sphere, and r its radius, where d is the density, and if w represents theweight of the body m at the surface of the earth, and w itsweight…
Physics
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