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Консультация № 193236
11.05.2018, 18:19
0.00 руб.
13.05.2018, 15:24
1
1
1
Здравствуйте! У меня возникли сложности с таким вопросом:
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Обсуждение
13.05.2018, 15:49
общий
это ответ
Здравствуйте, lk!
обозначим h1 и h2 высоты высоту поверхности каждой из жидкостей над уровнем границы жидкостей.
Учитывая, что ниже границы жидкостей в обоих коленах находится одна и та же жидкость, давление на этом уровне должно быть равным в обоих коленах.
Отсюда делаем вывод [$961$]1h1=[$961$]2h2
а искомая разница уровней
h=h1-h2=h1[$183$](1-[$961$]1/[$961$]2)
если в пробирке с таким же сечением (перпендикулярной плоскостью) жидкости имели уровень l, то в наклонном колене уровень менее плотной жидкости будет h1=l[$183$]sin[$945$]
поэтому искомая разница уровней
h=l[$183$]sin[$945$][$183$](1-[$961$]1/[$961$]2)
Стоит отметить, что разница уровней не изменится, если изменять объём более плотной жидкости или угол наклона колена с этой жидкостью (разумеется, покуда объём более плотной жидкости достаточен для удержания менее плотной в одном колене)
обозначим h1 и h2 высоты высоту поверхности каждой из жидкостей над уровнем границы жидкостей.
Учитывая, что ниже границы жидкостей в обоих коленах находится одна и та же жидкость, давление на этом уровне должно быть равным в обоих коленах.
Отсюда делаем вывод [$961$]1h1=[$961$]2h2
а искомая разница уровней
h=h1-h2=h1[$183$](1-[$961$]1/[$961$]2)
если в пробирке с таким же сечением (перпендикулярной плоскостью) жидкости имели уровень l, то в наклонном колене уровень менее плотной жидкости будет h1=l[$183$]sin[$945$]
поэтому искомая разница уровней
h=l[$183$]sin[$945$][$183$](1-[$961$]1/[$961$]2)
Стоит отметить, что разница уровней не изменится, если изменять объём более плотной жидкости или угол наклона колена с этой жидкостью (разумеется, покуда объём более плотной жидкости достаточен для удержания менее плотной в одном колене)
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