Question

A car trvelling at 60km/h overtakes another car travlling at 42km/h.Assuming each car to be 5.0m long.find the time taken during the overtake.

Answer 1

relative velocity=18km/hr, or 5m/s

time= distance/velocity= 1second

Answer 2

oops, two car lengths must be traverse, not one. time= 2 seconds