In Exercise, set up an appropriate equation and solve. Data are accurate to two sig. digits unless greater accuracy is given.
Train A is 520 ft long and traveling at 60.0 mi/h. Train B is 440 ft long and traveling at 40 mi/h in the opposite direction of train A on an adjacent track. How long does it take for the trains to completely pass each other? (Footnote: A law was once actually passed by the Wisconsin legislature that included “whenever two trains meet at an intersection …, neither shall proceed until the other has.”)
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