Question

A cylindrical rod of length 1.2m is made of three materials. The first part 0.5m is made of iron, the second part 0.3m is of
copper and the last part 0.4m is of aluminium. If the densities of iron, copper and aluminium are 7.9 x 103kgm -3,
8.9 x 103kgm-and 2.7 x 10 kgm-3respectively. Then, the center of mass of the rod from right end of the aluminium
rod is
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Answer 1

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Answer 2

Answer:

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