A person starts from his home on a straight road in his car

Last updated: 5/28/2023

A person starts from his home on a straight road in his car at a speed of 50 m s for half an hour Then the fuel in his car finishes So he stops walks to a petrol pump some distance ahead on the same road He gets the fuel from the pump and gets back to his car in 20 min Then he again starts moving in initial direction of motion with same speed of 50m s What is the average velocity of the man in 1 hour after he started from his home 1 Zero 2 120 km hr