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Physics

Mechanics

Easy

Question

$T h r e e space p a r t i c l e s space o f space m a s s e s space 1 k g comma space 2 k g space a n d space 3 k g space p l a c e d space a t space t h e space c o r n e r s space o f space a n space e q u i l a t e r a l space t r i a n g l e space o f space 1 m space s i d e. space T h e n space c o minus o r d i n a t e s space o f space c e n t r e space o f space m a s s space a s s u m i n g space 1 k g space m a s s space a t space o r i g i n space a n d space t h e space l i n e space j o i n i n g space 1 k g space a n d space 2 k g space l i e space o n space x space minus a x i s$

$(\frac{1}{2}, \frac{\sqrt{3}}{4})$
$(\frac{1}{4}, \frac{\sqrt{3}}{4})$
$(\frac{7}{12}, \frac{\sqrt{3}}{4})$
$(\frac{5}{12}, \frac{\sqrt{3}}{4})$

The correct answer is: $open parentheses 7 over 12 comma fraction numerator square root of 3 over denominator 4 end fraction close parentheses$

$open parentheses 7 over 12 comma fraction numerator square root of 3 over denominator 4 end fraction close parentheses$

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