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A train engineer drives a train 235 km north along a straight track. Then he drives the train back south 126 km. Finally, he drives north again 45 km to his final destination. What is the engineer's total
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A train engineer drives a train 235 km north along a straight track. Then he drives the train back south 126 km. Finally, he drives north again 45 km to his final destination. What is the engineer's total magnitude of its displacement?

User Pexichdu
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6 votes
The answer would be 154km
User Dre
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