URGENT!!!!DAU 77 DE PUNCTE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Cine aude primul sunetele unui concert,un spectator aflat in sala de spectacol la distanta d1=10metri in ata de orchestra sau un ascultator la radio alconcertului,
aflat la distanta d2= 500 km de sala?se stie ca sunetul are viteza v1=340 m/s , iar undele radio 
au viteza v2= 300.000 km/s.
VA ROG SA-MI EXPLICATI.MULTUMESC!