Задача №18.2
Условие
При движении диска радиуса r=20 см в вертикальной плоскости xy его центр C движется согласно уравнениям xC=10t м, yC=(100-4,9t2) м. При этом диск вращается вокруг горизонтальной оси C, перпендикулярной плоскости диска, с постоянной угловой скоростью ω=π/2 рад/с (см. рисунок к задаче 16.3). Определить в момент времени t=0 ускорение точки A, лежащей на ободе диска. Положение точки A на диске определяется углом φ=ωt, отсчитываемым от вертикали против хода часовой стрелки.Решение
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1.1
1.2
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2.1
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24.1
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28.1
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31.1
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32.1
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37.1
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43.1
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44.1
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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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