Желоб, изогнутый в виде половины окружности радиусом R, лежит на столе. По желобу из точки А в точку С переместился шарик. Какой путь он прошел? Изобразите вектор перемещения шарика и линейные скорости шарика в точках А, В и С, считая модуль скорости движения шарика V=const.
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Желоб, изогнутый в виде половины окружности радиусом R, лежит на столе. По желобу из точки А в точку...
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