Question

Admitere poli Fizica
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Answer 1

s₁=v₁t₀=50*1,5=75 km

x₁+s₀=v₁T=>x₁=v₁T-s₀

x₂=v₂(T-t₀)

x₁=x₂=>v₁T-s₀=v₂(T-t₀)<=>v₁T-s₀=v₂T-v₂t₀<=>v₁T-v₂T=s₀-v₂t₀<=>T(v₁-v₂)=s₀-v₂t₀=>T=(s₀-v₂t₀)/(v₁-v₂)=(60-60*1,5)/(50-60)=(60-90)/(-10)=30/10=3 h=>T=3 h

d₁=x₁=v₁T=50*3=150 km