15 On a road going out of a city lights of the last traffic

Last updated: 6/9/2023

15 On a road going out of a city lights of the last traffic signal glow green for 10 min and red for 2 0 min After the traffic signal the road is straight and vehicles run at their constant speeds that lie in the range 60 km h to 80 km h This mode of operation of traffic lights causes the vehicles to come out of the city in groups Some distance away from the traffic signal these groups merge and become indistinguishable Assuming that the vehicles acquire their constant speeds after the traffic signal in negligible time which of the following conclusions can you make a The groups become indistinguishable 4 0 km after the traffic signal b The groups become indistinguishable 8 0 km after the traffic signal c Wider is the range of speed of the vehicles greater is the distance where the groups become indistinguishable d Larger is the number of fast moving vehicles shorter is the distance where the groups become indistinguishable