The duration for braking is represented by the time
Right Answer is:
t2 – t3
The duration of braking is represented by t2 – t3. In suburban service braking or retardation, the period is comparatively small. It requires relatively high values of acceleration and retardation. Typical acceleration and retardation values are Iying between 1.5 and 4 kmph and 3 and 4 kmph, respectively.