Question 640469
if tow trains traveling at 60 miles per hour towards each other are 30 miles apart how long will it take them to meet
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d = r*t
t = d/r
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If both trains are moving at 60 mi/hr wrt the Earth, r = 120 mi/hr
If 60 mi/hr is the speed wrt each other, then r = 60 mi/hr