Question

Rezolvati exercițuil vă rooog mult macar B
Este urgent am nevoie mare ! ​

Answer 1

Răspuns:

b)

$v = 4\times \frac{3}{4} = \frac{19}{4 } = 4.75 \frac{km}{h}$

$t = 1 \times \frac{3}{5} = \frac{8}{5} = 1.6 ore$

$d = v \times t = 4.75 \frac{km}{h} \times 1.6h = 7.6km$