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A uniform half metre rule can be balanced at the 29-0 cm mark when a mass 20 g is hung from its one end. (a) Draw a diagram of the arrangement. (b) Find the mass of the half metre rule. |
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Answer» A uniform half metre rule can be balanced at the 29-0 cm mark when a mass 20 g is hung from its one end. (a) Draw a diagram of the arrangement. (b) Find the mass of the half metre rule. |
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