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Консультация № 202841
18.05.2022, 13:24
0.00 руб.
20.05.2022, 18:59
1
2
1
Уважаемые эксперты! Пожалуйста, ответьте на вопрос:
помогите с подробным решением задачи:
Частица движется так, что её скорость зависит от времени по закону
где
-- постоянные величины;
-- единичные орты в декартовой системе координат.
Через сколько секунд ускорение частицы будет перпендикулярно оси
если 
с, 
м/с, 
м/с?
помогите с подробным решением задачи:
Частица движется так, что её скорость зависит от времени по закону
где
-- постоянные величины; -- единичные орты в декартовой системе координат.Через сколько секунд ускорение частицы будет перпендикулярно оси
если с, м/с, м/с?
Прикрепленные файлы:
Обсуждение
20.05.2022, 17:29
общий
Здравствуйте!
Предлагаю вставить в исходное сообщение текст задачи, который я набрал ниже.
Частица движется так, что её скорость зависит от времени по закону
где -- постоянные величины;
-- единичные орты в декартовой системе координат.
Через сколько секунд ускорение частицы будет перпендикулярно оси если с, м/с, м/с?
Предлагаю вставить в исходное сообщение текст задачи, который я набрал ниже.
Частица движется так, что её скорость зависит от времени по закону
где
-- постоянные величины; -- единичные орты в декартовой системе координат.Через сколько секунд ускорение частицы будет перпендикулярно оси
если с, м/с, м/с?
Об авторе:
Facta loquuntur.
Facta loquuntur.
20.05.2022, 17:53
общий
это ответ
Здравствуйте, Екатерина!
Пусть требуется решить такую задачу: "Частица движется так, что её скорость зависит от времени по закону
где -- постоянные величины;
-- единичные орты в декартовой системе координат.
Через сколько секунд ускорение частицы будет перпендикулярно оси если с, м/с, м/с?"
Предлагаю Вам следующее решение.
Дано:
м/с -- зависимость скорости частицы от времени.
Определить:
-- время, через которое ускорение частицы будет перпендикулярно оси 
Дифференцируя заданную зависимость, получим, что
м/с.
Приравняв к нулю вертикальную компоненту вектора ускорения, определим искомое время:
(с).
Ответ:
с.
Пусть требуется решить такую задачу: "Частица движется так, что её скорость зависит от времени по закону
где
-- постоянные величины; -- единичные орты в декартовой системе координат.Через сколько секунд ускорение частицы будет перпендикулярно оси
если с, м/с, м/с?"Предлагаю Вам следующее решение.
Дано:
м/с -- зависимость скорости частицы от времени.Определить:
-- время, через которое ускорение частицы будет перпендикулярно оси Решение
Дифференцируя заданную зависимость, получим, что
м/с.Приравняв к нулю вертикальную компоненту вектора ускорения, определим искомое время:
(с).Ответ:
с.
5
Об авторе:
Facta loquuntur.
Facta loquuntur.
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