Задача №23.57

Условие

Река Нева течет с востока на запад по параллели 60° северной широты со скоростью vr=1,11 м/с. Найти составляющие абсолютного ускорения частицы воды. Радиус Земли R=64*105 м.

Решение




Предыдущая задача №56
Река Нева течет с востока на запад по параллели 60° северной широты со скоростью vr=1,11 м/с. Определить сумму проекций на касательную BC к соответствующему меридиану тех составляющих ускорений частиц воды, которые зависят от скорости течения. Радиус Земли R=64*105 м.
Следующая задача №58
Найти абсолютное ускорение шаров центробежного регулятора Уатта, если он вращается вокруг своей вертикальной оси, имея в данный момент угловую скорость ω=π/2 рад/с при угловом ускорении ε=1 рад/с2; угловая скорость расхождения шаров ω1=π/2 рад/с при угловом ускорении ε1=0,4 рад/с2. Длина рукояток шаров l=0,5 м, расстояние между осями их привеса 2e=0,1 м, угол раствора регулятора в рассматриваемый момент 2α=90°. Размерами шаров пренебречь, принимая шары за точки. (См. рисунок к задаче 22.14.)
Источник: Решебник Мещерского 12 класс
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1.1
1.2
1.3
1.4
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2.1
2.2
2.3
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3.1
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3.4
3.5
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4.1
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5.1
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6.1
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8.1
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9.1
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10.1
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11.1
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12.1
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13.1
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17.1
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18.1
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19.1
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20.1
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21.2
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22.1
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23.1
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24.1
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24.34
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25.1
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26.1
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27.1
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27.55
27.58
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27.65
28.1
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29.1
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30.1
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31.1
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31.35
32.1
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32.86
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32.107
33.1
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34.1
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35.1
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37.1
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38.1
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39.1
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42.1
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43.1
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44.1
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45.3
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46.1
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47.1
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48.1
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49.1
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53.5
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54.1
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55.2
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56.7
56.9
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