A car is moving on a straight road with uniform velocity 72

Last updated: 5/30/2023

A car is moving on a straight road with uniform velocity 72 kmh 1 Suddenly the driver saw a child in the middle of road and applies brakes If he just able to save the child then reaction time of the driver is initial distance between car and child is 5 m and due to application of brakes uniform retardation of 50 ms 2 is developed 1 0 04 s 2 0 4 s 3 0 05 s 4 0 45 s