An insect crawl up a hemispherical surface very slowly. The coefficient of friction between the insect and the surface is 1/3. If the line joining the center of the hemispherical surface to the insect
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An insect crawl up a hemispherical surface very slowly. The coefficient of friction between the insect and the surface is 1/3. If the line joining the center of the hemispherical surface to the insect An insect crawl up a hemispherical surface very slowly. The coefficient of friction between the insect and the surface is 1/3. [...]