A motorist traveling at 55 mph down a grade of 5% on a highway observes an accident involving an overturned truck ahead of him which completely blocked the road. If the motorist was able to stop his vehicle 30 ft away from the overturned truck, what distance away from the truck was he when he first observed the accident?
Assume perception/reaction time of 2.5 seconds

For this particular problem we can ignore the friction value and just use a standard deceleration rate of 11.2 ft/sec.

Answer rating: 100% (QA)

To find the distance away from the truck when the motorist first observed the accident we need to co... View the full answer