Предмет: Физика, автор: Magistor15

охотник стреляет из винтовки с движущейся лодки по направлению её движения.Какую скорость имела лодка,если она остановилась после двух быстро следующих друг за другом выстрелов?Масса охотника с лодкой 200 кг,масса заряда 20 г.Скорость вылета дроби и пороховых газов 500 м/с

Magistor15: Пожалуйста напишите все формулы.

Ответы

Автор ответа: Аноним

дано:
М=200кг
м=20г=0.02 кг
v=500 м/с
Найти: V=?
Pешение:
МV= mv+mv
V=(2mv)/M=(2*0.02*500)/200=0.1 м/с

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