The linear mass density of a rod of length \( 3 \mathrm{~m} \) is P \( \lambda=2 \mathrm{~kg} / ...

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The linear mass density of a rod of length \( 3 \mathrm{~m} \) is
P \( \lambda=2 \mathrm{~kg} / \mathrm{m} \). Position of centre of mass of the rod is

W
(1) \( \frac{8}{3} \mathrm{~m} \) from one end
(2) \( \frac{9}{7} \mathrm{~m} \) from one end
(3) \( 1.5 \mathrm{~m} \) from both sides
(4) \( \frac{12}{7} \mathrm{~m} \) from one end
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