Question

Ex.1
Vă rog!!!!!!!!!!!!​

Answer 1

1. d/2=v1.t1 de aici aflam t1 - 2h

h5h=150km , a parcurs d = 60 + 150 = 210k

d2=v 2t , t = 9r -3h- 1h = 5h , d2=30km/

d1=3h20km/h=60km

d/2=v 2t2 , v2=v1+200Km/h=400km/h , aflam

t2=1h

d =d1+d2=800km, t = 3h

4.t-9h, d