Determinig the Force constant K, and/or the acceleration due to gravityg Lo= .... cm し。(o 22- Mass (in g) L(cm) AL (cm) 10 1 20 12 30 13 3. 40 50 八5 60 16 17 19 70 80 6. 90 20 10 100 110 12 22 AL = L- Lo

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A: F=-2kx3f=-dvdx=2kx3v(x)=2k∫dxx3=-kx2 KE=12mv2=12mdxdt2

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