3 12 m s 4 20 m s 37 A car moving on a straight road covers

Last updated: 6/12/2023

3 12 m s 4 20 m s 37 A car moving on a straight road covers half a certain distance with a speed of 40 km h a the other half with 60 km h Then its avera speed is 1 40 km hr 3 46 km hr 2 80 km hr 4 48 km hr