Isaac Physics - Pyramid of Spheres
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Original post by LaraDiamonds18
Hi, when I multiply R by my expression for cos theta, I get 2k^3 mg / 3 sqrt(3k^2 +6k -1) but this doesn't seem to be the correct answer. Anybody know where I'm going wrong? Am I supposed to rationalise?
Don't worry about rationalising, not got my working on me (or seen yours) so not sure what's gone wrong, but I would check your denominator.
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