SOLUTION: If I am traveling at 63 miles per hour the opposite direction of a train that is going 28 miles per hour and it takes me 1 mile to pass the train how long is the train?
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Question 919938: If I am traveling at 63 miles per hour the opposite direction of a train that is going 28 miles per hour and it takes me 1 mile to pass the train how long is the train? Answer by ankor@dixie-net.com(22740) (Show Source):
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Find the time it takes to cover 1 mi at 63 mph speed in seconds * 3600 = 57.143 sec
your relative speed to the train: 63 + 28 = 91 mph
Find how far you travel (in feet) in 1 sec at 91 mph = 133.467 ft
Find how many ft in 57.143 sec at this speed
57.143 * 133.46 = 7626.7 ft is the length of the train
