ch13-p027 - 27. Using the fact that the volume of a sphere...

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() 7 total on 2 3.0 10 N/kg . m GmM Fm r == × (b) At r = 0.50 m, the portion of the sphere at radius smaller than that is 33 4 1 . 3 1 0 k g . 3 Mr ρπ §· × ¨¸ ©¹ Thus, the force on m has magnitude GMm/r 2 = m (3.3 × 10 7 N/kg). (c) Pursuing the calculation of part (b) algebraically, we find 3 4 3 7 on 2 N 6.7 10 . kg m m Gm r r r × 27. Using the fact that the volume of a sphere is 4 π R 3 /3, we find the density of the sphere: 4 total 3 3 4 4 3 3 1.0 10 kg 2.4 10 kg/m . 1.0 m M R ρ × = × When the particle of mass
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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