Решение задачи по физике раздел 26 пункт 8 механика

8. skater, speeding up to speed υ = 21 km / h, enters on a hill with a slope of α = 20 ° to a height h = 1,6 m. Determine the coefficient of friction f skates on the ice.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)