# Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m

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Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m with negligible mass. The distance of the center of mass of the system from the 10 kg mass is :

(1) 10 m

(2) 5 m

(3) $10 \over 3$ m

(4) $20 \over 3$ m

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Correct answer is (4) $20\over3$ m