Question

a vechle moves 45 km in 30 min it, s velocity is​

Answer 1

so , here is your answer..

Given - distance or displacement= 45km and time= 30 minute= 1/2 hour we know that velocity =  total distance in given direction or displacement/ total time = 45/1/2 km/hr= 45× 2kn/hr= 90km/hr