Centre of Mass

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Centre of Mass

Post by MathsTutor4You on Mon Sep 07, 2015 5:09 pm

Three particles of mass 3m, 2m and km are placed at the points whose coordinates are (1, 5), (6, 4) and (a, 1) respectively. The centre of mass of the three particles is at the point with coordinates (3, 3).

Find

(a) the value of k,

(b) the value of a.
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