Odpowiedzi

2010-04-02T17:10:46+02:00
2010-04-02T17:12:04+02:00
6,5t=6500kg
F=m*g
F=6500*10m/s=65000N=65kN
C. 65 kN
1 1 1
2010-04-02T17:13:28+02:00