A lady driver of car applied brakes and barely avoided hitting the truck parked due to technical problem on the road way.
The vehicle left skid marks of 25 m. Assuming, f = 0.6 and the braking efficiency of 95%, determine whether the drive
was in violation of the 60 Kmph speed limit at that location if she was traveling,
(a) Uphill on 5º slope. (b) Downhill on 5º slope and (c) On the level roadway.