Odpowiedzi

2009-11-26T16:33:47+01:00
F=m*g
m=f/g
4,5 kn = 4500 n
m= 4500n / 10m/s²
masa=450kg
2009-11-26T16:52:44+01:00
4,5 kN = 4500N

Fc = m*g
m=Fc /g
m= 4500N / 10N/kg = 450kg