Can the globe be considered a material point when determining the time of sunrise on the eastern

Can the globe be considered a material point when determining the time of sunrise on the eastern and western borders of russia?

A body can be considered a material point if its dimensions can be neglected for solving the task at hand. Since the assignment deals with the eastern and western borders of Russia, it is obvious that the size of Russia, and, therefore, of the entire planet Earth, cannot be neglected in any way!



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