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Консультация № 196104
12.08.2019, 22:16
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Уважаемые эксперты! Пожалуйста, ответьте на вопрос:
С самолёта, летящего горизонтально со скоростью V0 = 720 км/ч, отделяется тело. Найдите центростремительное an и тангенциальное aτ ускорения тела, а также радиус R кривизны траектории движения тела в точке, которую оно достигает через τ = 5 с после начала движения. Сопротивлением воздуха пренебречь.
С самолёта, летящего горизонтально со скоростью V0 = 720 км/ч, отделяется тело. Найдите центростремительное an и тангенциальное aτ ускорения тела, а также радиус R кривизны траектории движения тела в точке, которую оно достигает через τ = 5 с после начала движения. Сопротивлением воздуха пренебречь.
Обсуждение
16.08.2019, 17:04
общий
это ответ
Здравствуйте, dar777!
Решение задачи, заимствованное мной здесь, находится в прикреплённом файле.
Вычислить тангенциальную и нормальную составляющие скорости тела можно иначе:
(м/с2);
(м/с2).
Радиус кривизны траектории тела
(м).
Литература
Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
Решение задачи, заимствованное мной здесь, находится в прикреплённом файле.
Вычислить тангенциальную и нормальную составляющие скорости тела можно иначе:
(м/с2); (м/с2).Радиус кривизны траектории тела
(м).Литература
Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
Прикрепленные файлы:
5
Это самое лучшее решение!
Об авторе:
Facta loquuntur.
Facta loquuntur.
16.08.2019, 19:11
общий
Адресаты:
dar777 Чему равна скорость?
В последней строке моего ответа в числителе дроби указано, чему равен квадрат скорости. Отсюда Вы можете получить и ответ на Ваш новый вопрос.
Вы что, совсем ничего не понимаете?
Об авторе:
Facta loquuntur.
Facta loquuntur.
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