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mallyosburn
18.11.2019 •
Physics
Consider the following statements, all of which are actually true, and select the one that best explains why the moment of inertia of the earth is actually smaller than the moment of inertia you calculated. consider the following statements, all of which are actually true, and select the one that best explains why the moment of inertia of the earth is actually smaller than the moment of inertia you calculated. a. the earth is an oblate spheroid rather than a perfect sphere. for an oblate spheroid, the distance from the center to the equator is a little larger than the distance from the center to the poles. this is a similar shape to a beach ball resting on the ground, being pushed on from above. b. the earth does not have uniform density. as the planet formed, the densest materials sank to the center of the earth. this created a dense iron core. meanwhile, the lighter elements floated to the surface. the crust of the earth is considerably less dense than the core. c. while the earth currently has a period of 24 hours, it is in fact slowing down. once it was rotating much faster, giving days that were closer to 20 hours than 24 hours. in the future, it is expected that days will become longer.
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Ответ:
2 x 10^10 Hz
Explanation: