SOLUTION: Two trains leave a station at the same time. One travels north on a track at 44 mph. The second travels east on a track at 31 miles per hour. How fast are they traveling away from
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Question 859852: Two trains leave a station at the same time. One travels north on a track at 44 mph. The second travels east on a track at 31 miles per hour. How fast are they traveling away from one another in miles per hour when the northbound train is 176 miles from the station?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
176/44=4 hours.
31*4=124 miles
176^2+124^2=c^2
46352 = c^2
c = 4 sqrt(2897)
c = 215.30
215.30/4=53.825 mph
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