Amtrak's 20th-Century Limited is in route from Chicago to New York at 112 km/h, when the engineer spots a cow on the track. The train brakes to a halt in 2.3 min, stopping in front of the cow.
a) What is the magnitude of the train's (constant) acceleration?
_______m/s^2 <-----(0.22m/s^2) Correct
b) What is the direction of the acceleration?
- westward <-----Correct
c) How far was the train from the cow when the engineer first applied the brakes?
The Attempt at a Solution
I have a) and b) correct but I can't figure out c).