Odpowiedzi

2009-12-22T20:44:30+01:00
V₀ = 5m/s
m = 2kg
t = 3min = 180s
F = 0,2N

a = F/m
v(t) = v₀ + at = v₀ + Ft/m = 5m/s + 18m/s = 23m/s