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Консультация № 201390
10.09.2021, 15:50
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Здравствуйте! Прошу помощи в следующем вопросе:
Изогнутая под прямым углом гладкая трубка закреплена так, что один из её концов направлен вертикально вниз. Внутри трубки покоится однородная гибкая массивная прочная верёвка длиной L=50 см, диаметр которой чуть меньше диаметра трубки. Верхний конец верёвки через отрезок невесомой нерастяжимой нити соединён с лёгкой пружиной, другой конец которой закреплён так, что ось пружины горизонтальна и совпадает с осью нити. К нижнему концу верёвки, не оттягивая его, прикрепляют груз массой M=1,5 кг. После отпускания груза без начальной скорости он некоторое время движется вниз с постоянным ускорением a=0,2g (g — ускорение свободного падения). Найдите коэффициент жёсткости пружины k.
Огромное спасибо за помощь!!!
Изогнутая под прямым углом гладкая трубка закреплена так, что один из её концов направлен вертикально вниз. Внутри трубки покоится однородная гибкая массивная прочная верёвка длиной L=50 см, диаметр которой чуть меньше диаметра трубки. Верхний конец верёвки через отрезок невесомой нерастяжимой нити соединён с лёгкой пружиной, другой конец которой закреплён так, что ось пружины горизонтальна и совпадает с осью нити. К нижнему концу верёвки, не оттягивая его, прикрепляют груз массой M=1,5 кг. После отпускания груза без начальной скорости он некоторое время движется вниз с постоянным ускорением a=0,2g (g — ускорение свободного падения). Найдите коэффициент жёсткости пружины k.
Огромное спасибо за помощь!!!
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Обсуждение
11.09.2021, 16:16
общий
Это я видел. Но хотелось получить более подробное решение. Не подскажите почему при смещении груза на x, пружина растягивается на x+x и откуда составляется уравнение (2). Благодарю за ответ
11.09.2021, 16:25
общий
Адресаты:
Я прекратил решать и даже просто знакомиться с готовыми решениями задач, более сложных, чем простые, поэтому ответить на Ваш вопрос не могу. Возможно, Ваши запросы удовлетворят эксперты раздела, к каковым я не отношусь. Прошу извинить!
Об авторе:
Facta loquuntur.
Facta loquuntur.
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