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Physics 7 Online
OpenStudy (anonymous):

How to solve algebraically? Continents are drifting apart at the rate of 3.0 cm/yr and Africa and South America are separated by 6.4*10^8cm how long have they been drifting apart? Would 3.0 cm/yr be a velocity or a rate? Would 6.4E8 cm be a distance?

OpenStudy (anonymous):

Yes. you're going to do 6.4*10^8 or 640000000/3 you get 213333333 and 1/3

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