Question 775684
The North American and European continents are moving apart at a rate of about 3 cm/y. At this rate how long will it take them to drift 500 km farther apart than they are at present?
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500 km = 500*1000*100 cm = 5E7 cm
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d = r*t
t = d/r = 5E7/3
t = 1.67E7 years
t = 16,700,000 years