Odpowiedzi

2010-01-26T18:39:16+01:00
2010-01-26T18:39:17+01:00
2010-01-26T18:39:31+01:00
Q=m*g
m=Q/g

g=10m/s^

Q=52N

m=52N:10m/s^=5,2kg
6 3 6