Three masses 2 kg, 3 kg and 4 kg are lying at the corners of an equilateral triangle of side ℓ.The (X)coordinate of center of mass is

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712ℓ

59ℓ

729ℓ

59ℓ

answer is B.

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Detailed Solution

Xcm=m1x1+m2x2+m3x3m1+m2+m3=2×0+3×ℓ+4×ℓ22+3+4=59ℓ

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