Скорость, масса, энергия. Физические основы хоккея. Светлана Каменских

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Скорость, масса, энергия. Физические основы хоккея - Светлана Каменских

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на нем микроскопические царапины – те самые, которые и обеспечивают сцепление с поверхностью.

      Если лед будет слишком твердым – коньки будут скользить по нему, как по стеклу, без всякого контроля. А если слишком мягким – будут застревать, как в песке. Поэтому за твердостью льда постоянно следят с помощью специальных приборов – твердомеров. И если нужно – корректируют ее, меняя температуру охлаждения или добавляя в воду специальные примеси.

      Конец ознакомительного фрагмента.

      Текст предоставлен ООО «Литрес».

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