4.8 The driver of a three-wheeler moving with a speed of sees a child standing in the…
PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
4.8 The driver of a three-wheeler moving with a speed of 36km/h sees a child standing in the middle of the road and brings his vehicle to rest in 4.0 s just in time to save the child. What is the average retarding force on the vehicle ? The mass of the three-wheeler is 400 kg and the mass of the driver is 65 kg .