Z działa o masie 1000 kg. wystzrelono pocisk o masie 20kg. z prędkością 400m/s. Oblicz prędkość odrzutu działa.
m1 = 20kg
m2 = 1000kg
V1 = 400 m/s
V2 = ?
V1*m1 = V2*m2
V2 = V1*m1 / m2
[V] = m/s * kg / kg = m/s
V2 = 20 * 400 / 1000 = 8 [m/s]
Odp: 8 m/s
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m1 = 20kg
m2 = 1000kg
V1 = 400 m/s
V2 = ?
V1*m1 = V2*m2
V2 = V1*m1 / m2
[V] = m/s * kg / kg = m/s
V2 = 20 * 400 / 1000 = 8 [m/s]
Odp: 8 m/s