armata o masie 50 kg wystrzelila pocisk o masie 1 kg ktory polecial z predkoscia 1000km/h. oblicz predkosc i sile odrzutu armaty
armata o masie 50 kg wystrzelila pocisk o masie 1 kg ktory polecial z predkoscia 1000km/h. oblicz predkosc i sile odrzutu armaty
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Dane:
m₁ =50 kg
m₂ =1 kg
V₂ = 1000 km/h
Rozw.:
m₂/m₁ = V₁/V₂
m₁ × V₁ = m₂ × V₂
V₁ = m₂ × V₂ / m₁ = 1 kg × 1000 [km/h] / 50 kg = 20 km/h