Odpowiedzi

2009-12-04T10:23:27+01:00
30m/s-15m/s = 15m/s m
a=-----------------= ----------- = 3------
5s = 5s s²

F=m*a

F
m=----
a


30N = m/s²*kg
m=------- = 10-----------= 10kg
3m/s² = m/s²


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