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OpenStudy (anonymous):
Two planes leave from Dallas, Texas. The first plane travels east at a rate of 250 mph. The second plane travels west at a speed of 225 mph. How long will it take for them to be 2850 miles apart?
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OpenStudy (vishweshshrimali5):
it is easy it is a question of relative velocity 6hours
OpenStudy (anonymous):
the two planes are moving away from each other at 475 miles per hour. divide 2850 by 475. hence the answer is 6 hours.
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