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Консультация № 191290
22.08.2017, 10:21
0.00 руб.
1
5
1
Здравствуйте! Уважаемые эксперты! Прошу помощи в решении:
Колесо вращается вокруг своей оси симметрии так, что зависимость угла
поворота радиуса колеса от времени дается уравнением [$966$] = Аt + Bt 2 + Ct 3 , где
А=2 рад/с, В=0,5 рад/с2 , С=0,5рад/с3 . Найти радиус R колеса, если в момент времени t=2 c нормальное ускорение точки на ободе колеса равно [$945$]n = 36м/с2
Колесо вращается вокруг своей оси симметрии так, что зависимость угла
поворота радиуса колеса от времени дается уравнением [$966$] = Аt + Bt 2 + Ct 3 , где
А=2 рад/с, В=0,5 рад/с2 , С=0,5рад/с3 . Найти радиус R колеса, если в момент времени t=2 c нормальное ускорение точки на ободе колеса равно [$945$]n = 36м/с2
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Обсуждение
22.08.2017, 21:52
общий
это ответ
Здравствуйте, Руслан!
Если угол поворота колеса изменяется по закону
то его угловая скорость - по закону
и в момент времени
с составляет
(рад/с).
Поскольку для нормального ускорения точек обода колеса имеет место формула
постольку
(м).
Если угол поворота колеса изменяется по закону
то его угловая скорость - по закону
и в момент времени
с составляет (рад/с).Поскольку для нормального ускорения точек обода колеса имеет место формула
постольку
(м).
5
Спасибо!
Об авторе:
Facta loquuntur.
Facta loquuntur.
24.08.2017, 11:17
общий
Адресаты:
Я должен ждать, пока Вы или кто-то другой захотите ответить? На сегодняшний день есть несколько консультаций по математике и физике, остающиеся без ответов. Кто мешает Вам дать на них ответы (не в виде сообщения в мини-форуме консультации, а виде именно готового ответа)? 
Об авторе:
Facta loquuntur.
Facta loquuntur.
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