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Statement of a problem № 41539

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The earth, which is not a uniform sphere, has a moment of inertia of 0.3308MR2 about an axis through its north and south poles. It takes the earth 86,164 s to spin once about this axis. Use Appendix F to calculate (a) The earth s kinetic energy due to its rotation about this axis and (b) The earth s kinetic energy due to its orbital motion around the sun. (c) Explain how the value of the earth s moment of inertia tells us that the mass of the earth is concentrated toward the planet s center




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