Question

Exercițiul 9 va rog frumoss

Answer 1

[tex]\displaystyle Se~da:\\ \\ t=30min=1800s\\ \\ d=2,7km=2700m\\ \\ v=?\frac ms\\ \\ \\ Formule:\\ \\ d=v\times t\Rightarrow v=\frac dt\\ \\ \\ Calcule:\\ \\ v=\frac {2700}{1800}=1,5\frac ms [/tex]