10 m/s + 22 m/s= 32 m/s
32 m/s /2 = 16 m/s
Vsr=Sc/Tc
Tc=2min=120s
Sc=V₁*t₁+V₂*t₂
Sc=10*60+20*60 (bo 1min=60s)
Sc=1800m
Vsr=1800/120
Vsr=15m/s
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10 m/s + 22 m/s= 32 m/s
32 m/s /2 = 16 m/s
Vsr=Sc/Tc
Tc=2min=120s
Sc=V₁*t₁+V₂*t₂
Sc=10*60+20*60 (bo 1min=60s)
Sc=1800m
Vsr=1800/120
Vsr=15m/s