Предмет: Физика, автор: Катя18818

скорость пули 700м/с. за 1 с она делает 20 оборотов. Сколько оборотов сделает пуля прежде, чем пролетит 2 км?

Ответы

Автор ответа: fatt52

u=700 м/с v=20 Гц s=2000 м n=?

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n=v*t=v*s/u=20*2000/700≈57 оборотов

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