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Physics

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lnstnictions: Solve the following problems completely and present yourimal answers in two (2) decimal places A. DENSITVAND PRESSURE 1. The British gold sovereign cm IS an alloy of gold and copper having a total mass of 7.988 g. and is 22 karat gold. a. Find the mass uf gold in the sovereign in kilograms using the fad that the number of karats : 24 x %. (Note: The density and value nfgold depend on its ~lrorot~ volue, which is o mmsule of how monyports in 24 [by mass) are pure gold. b Calculate the volumes af gold and copper, respectively, used to manufacture the coin. (Note.- moss densities of gold and copper ore 1 9.3 3/ch and 8.94 3/ch r. Calculate the density of the British sovereign coin. 2. The rearwheel ot a 150 kg tricycle accidentally i-an overa nail. The circular tip of the nail has a diameter of 0.001 rn. How much pressure did the wheel of the tricycle experience assuming that the entire weight of the tricycle is concentrated on the rearwheel that ran over the nail.
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