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Консультация № 196443
23.09.2019, 17:46
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Здравствуйте! Прошу помощи в следующем вопросе:
На гладкой горизонтальной плоскости расположен клин. Гладкая наклонная плоскость клина образует с горизонтом угол a такой, что cos a =0,6 . Если шайбе, находящейся у основания клина, сообщить
начальную скорость v0 (см. рис. 14), то к моменту достижения шайбой высшей точки траектории скорость шайбы уменьшается по величине в n =5 раз. Найдите отношение m /M массы шайбы к массе клина.
На какую максимальную высоту H. , отсчитанную от точки старта,
поднимается шайба в процессе движения по клину?
На гладкой горизонтальной плоскости расположен клин. Гладкая наклонная плоскость клина образует с горизонтом угол a такой, что cos a =0,6 . Если шайбе, находящейся у основания клина, сообщить
начальную скорость v0 (см. рис. 14), то к моменту достижения шайбой высшей точки траектории скорость шайбы уменьшается по величине в n =5 раз. Найдите отношение m /M массы шайбы к массе клина.
На какую максимальную высоту H. , отсчитанную от точки старта,
поднимается шайба в процессе движения по клину?
Обсуждение
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