February 26, 2017

Homework Help: Physics

Posted by Pat on Wednesday, July 21, 2010 at 7:12am.

the engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200m 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 accelaration of -0.100 m/s2, while the freight train continues with constant speed. Take x=0 at the location of the front of the passenger train when the engineer applies the brake. (a) will the cows nearby witness a collision? (b) if so, where it take place? (c) on a single graph, sketch the positions of the frong of the passenger train and the back of the freight train.

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