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Ответ

Ответ дан
engel78

Ответ:

2,51 м/с.

Объяснение:

Длина окружности вала   L = π * D = 3,14 * 0,08 = 0,251 м.


За 1 с. вал делает 600 / 60 = 10 оборотов, поэтому скорость резания


0,251 * 10 = 2,51 м/с.

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