On application of brakes, the velocity of a train decreases from 72 km .h^(-1) to 36 km.h^(-1) in 10 s, due to a constant retardation. Equilibrium of a box kept on a bunk of the train is about ot be disturbed. What is the coefficient of friction between the box and the bunk?

On application of brakes, the velocity of a train decreases from 72 km

1.	On application of brakes, the velocity of a train decreases from 72 km .h^(-1) to 36 km.h^(-1) in 10 s, due to a constant retardation. Equilibrium of a box kept on a bunk of the train is about ot be disturbed. What is the coefficient of friction between the box and the bunk?
Answer» ANSWER :0.102