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t = 1,5 s
g ≈ 10 N/kg
Szukane :
h = ?
Δv = ?
Rozwiązanie :
s = 1/2at²
a = g
s = h
h = 1/2 * 10 * 1,5²
h = 11,25 m
a = Δv / t
Δv = at
Δv = 10 * 1,5
Δv = 15 m/s