SOLUTION: A car is traveling on a road that is perpendicular to a railroad track. When the car is30 meters from the crossing, the car�s new collision detector warns the driver that there is

SOLUTION: A car is traveling on a road that is perpendicular to a railroad track. When the car is30 meters from the crossing, the car�s new collision detector warns the driver that there is

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Question 280748: A car is traveling on a road that is perpendicular to a railroad track. When the car is30 meters from the crossing, the car�s new collision detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a^2+b^2=c^2
30^2+b^2=50^2
900+b^2=2500
b^2=1600
b=40
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