Odpowiedź :
F = 3 kN = 3000 N
a = 1,5 m/s²
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m ?
F = m*a /:a
m = F/a = 3000N/1,5m/s² = 2000 kg
Odp. m = 2000 kg = 2 t
F = 3 kN = 3000 N
a = 1,5 m/s²
-------------------
m ?
F = m*a /:a
m = F/a = 3000N/1,5m/s² = 2000 kg
Odp. m = 2000 kg = 2 t