Question

Va Rog, ajutati-ma la exercitiul 12

Answer 1

Răspuns:

v = d₁/t₁

d₁ = 120km

t₁ = 1,5 h

v = 120km/1,5h = 80 km/h

v = d₂/t₂ => t₂ = d₂/v

d₂ = 260km

t₂ = 260km/(80km/h)

= 3,25 h = 3 h 15 min (ajunge la Brasov)