Three point particles of mass 1 kg, 1.5 kg and 2.5 kg are placed at three corners of a right triangle of sides 4.0 cm, 3.0 cm and 5.0 cm as shown in the figure. The centre of mass of the system is at the point: a. 0.9 cm right and 2.0 cm above 1 kg mass b. 2.0 cm right and 0.9 cm above 1 kg mass c. 1.5 cm right and 1.2 cm above 1 kg mass d. 0.6 cm right and 2.0 cm above 1 kg mass

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A: Given: m1 = 2.5 kg m2 = 7 kg L1 = 80 cm L2 = 18 cm

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A: Answer            COM (0.5L ,-0.2L)

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