Posted by Rose on Sunday, September 19, 2010 at 6:52pm.
Two cars travel at the same constant speed. The first car travels for 10 minutes, the second for 27 minutes. If the second car travels 18 miles farther that the first, how far does each car travel?

Physics  drwls, Sunday, September 19, 2010 at 7:03pm
The second car travels 17 minutes after that first car stops. During that added time, it goes 18 miles, so it is traveling 18/(17/60) = 63.5 mph
They both had the same speed when traveling.
The fist car went (1/6 hour)*63.5 = 10.58 miles
The second car went (27/60 h)(63.5) = 28.58 miles

Physics  Rose, Sunday, September 19, 2010 at 7:17pm
thank you. can you help me solve another?
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