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Консультация № 201399
16.09.2021, 13:20
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Здравствуйте! У меня возникли сложности с таким вопросом: Пушка расположена у основания склона, образующего с горизонтом угол alpha = 30 Под каким углом beta к склону следует произвести выстрел с начальной скоростью v0 = 100 м/с так, чтобы дальность полёта снаряда вдоль склона была наибольшей? Найдите эту максимальную дальность S_max. 
Smax я нашел и она будет равна 670м, а угол Beta=pi\6
Но необходимо еще вычислить скорость снаряда в тот момент, когда снаряд будет находиться на максимальном удалении от поверхности склона (выстрел произведён так, что дальность полёта снаряда вдоль склона наибольшая) и вычислить радиус R кривизны траектории снаряда в малой окрестности точки, находящейся на максимальном удалении от поверхности склона. Заранее спасибо за помощь
Но необходимо еще вычислить скорость снаряда в тот момент, когда снаряд будет находиться на максимальном удалении от поверхности склона (выстрел произведён так, что дальность полёта снаряда вдоль склона наибольшая) и вычислить радиус R кривизны траектории снаряда в малой окрестности точки, находящейся на максимальном удалении от поверхности склона. Заранее спасибо за помощь
Обсуждение
17.09.2021, 04:43
общий
Адресаты:
Очень хорошо, что Вы пытаетесь решить свою задачу самостоятельно! Если у Вас проблемы с вычислением радиуса кривизны, то почитайте учебные статьи "Радиус кривизны траектории" Ссылка1 , "Найти радиус кривизны траектории брошенного тела" Ссылка2
Формулы полёта хорошо описаны в статье "Движение тела, брошенного под углом к горизонту" Ссылка3
Условие задачи подразумевает пренебречь сопротивлением воздуха, верно?
Формулы полёта хорошо описаны в статье "Движение тела, брошенного под углом к горизонту" Ссылка3
Условие задачи подразумевает пренебречь сопротивлением воздуха, верно?
21.09.2021, 15:00
общий
[q=259041][/q] Спасибо за ссылки! Подразумевается, что сопротивление воздуха пренебрежимо мало.
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