posted by Anonymous .
The engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200 m ahead on the same track. The freight train is traveling at 15.0 m/s in the same direction as the passenger train. The engineer of the passenger train immediately applies the brakes, causing a constant acceleration of , while the freight train continues with constant speed. Take at the location of the front of the passenger train when the engineer applies the brakes.