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Niks
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Hello..
Which four gases did the earth`s atmosphere coantain in the first billion years?
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Net force= ma Net force =(Force-frictional force) force=20N, Frictional Force=5N m=5 a=? replace in equation and find a :)
Let 3^x = y ==> 3^2x - 3^x - 24 =0 = y^2 - y - 24 = 0 solve for y using quadratic equation. You will get 2 answers for y, one positive, the other negative. But 3^x = y, thus equate 3^x = y for both answers of y. Use log on both sides, and then solve for x.
