Question 984112: Two trains pass going in opposite directions. The first is going 60mph and a man is walking toward the rear of the train at 5mph. the second train, going in the opposite direction, is traveling at 80mph, and a woman is walking toward the rear of her train at the rate of 8mph. From the point of view from the woman, the man in the first train is moving at the rate of how many mph?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Two trains pass going in opposite directions. The first is going 60mph and a man is walking toward the rear of the train at 5mph. the second train, going in the opposite direction, is traveling at 80mph, and a woman is walking toward the rear of her train at the rate of 8mph. From the point of view from the woman, the man in the first train is moving at the rate of how many mph?
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The man is moving 60 - 5 = 55 mi/hr wrt the Earth.
The woman is moving 80 - 8 = 72 mi/hr wrt the Earth.
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wrt the woman, the man is moving 55+72 = 127 mi/hr
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