Oblicz szybkość średnią rowerzysty, który 5 km przejechał z szybkością 20km/h, a następnie 20 km z szybkością 16km/h.
s₁ = 5km
v₁ = 20km/h
t = s/v
t₁ = 5km/20km/h = 0,25h
s₂ = 20km
v₂ = 16km/h
t₂ = 20km//16km/h = 1,25h
s = 20km + 5km = 25km
t = 0,25h + 1,25h = 1,5h
v = s/t
v = 25km/1,5h = 16,67km/h
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s₁ = 5km
v₁ = 20km/h
t = s/v
t₁ = 5km/20km/h = 0,25h
s₂ = 20km
v₂ = 16km/h
t₂ = 20km//16km/h = 1,25h
s = 20km + 5km = 25km
t = 0,25h + 1,25h = 1,5h
v = s/t
v = 25km/1,5h = 16,67km/h
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Feci, quod potui, faciant meliora potentes
Pozdrawiam :)