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t₁ = 3 min = 180 s
s₁ = 5m
t₂ = 40 s
s₂ = 1,6 m
Szukane :
Vśr = ?
Rozwiązanie :
Vśr = ( s₁ + s₂ ) / ( t₁+ t₂)
Vśr = ( 5 + 1,6 ) / ( 180 + 40)
Vśr = 0,03 m/s