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Question : 89 of 160
Marks:
+1,
-0
Solution:
According to given distribution of masses, centre of mass is given as
‌=‌⋅‌ (∵. sum of infinite series in G. P, S
=‌) =‌⋅‌=‌Since, masses are distributed only along
X - axis, hence
YCM=0‌ and ‌ZCM=0Position of centre of mass
=(‌,0,0)
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