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n and m are positive integers that satisfy n^3+2n^2=m^2. If 1≤n≤1000, how many possible pairs of (n,m) are there?

Two identical superconducting rings are brought very close to each other (see the image below). The currents in the rings are equal to I,=0.05 A. Determine the the current I in Amps in the rings if we separate them far apart.

What qualifies a fossil to be used to find the absolute age of rocks?(1 point) if the plant or animal existed for a long period of time and in a small area if the plant or animal existed for a long period of time and in a wide area if the plant or animal...

I would have gladly to u,if u haven't lied on the physics question, if u have done it,we can trade,as I have done this question

5.6 is wrong

is 1.2 correct

5.4

118/147, So 265,do tell if it is right

45

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ererre

1.74

78

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508kg