ae OLIE_UDOO,
Look up the density ofa typlical surface rock like granite in
anothersourceand compareitwith the density ofthe Earth.
2 入 which is the nu人所 Ofa 由 Can be
modeled as a sphere with a diameter of 2.4 fmtand a mass
of 1.07 X 10 ?7 kg. (a) Determine the density of the proton.
(bp) State how your answer to part (a) compares with the
density of osmium, given in Table 14.1 in Chapter 14.
?, Two spheres are cut from a certain uniform rock. One has
TadIus 4.50 cm. The mass of the otheris five times greater.
Find its radius.
4 What mass ofa material with density p is required to make
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