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A cylinder, 16 cm long and 3 cm in radius, is made of two different metals bonded end-to-end to make a single bar. The densities are 4.4 g/cm3 and 6.3 g/cm3. What length of the lighter-density part of the bar is needed if the total mass is 2377 g?
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Based on our data, we think this problem is relevant for Professor Erskine's class at TEXAS.