Question

Two particles of masses 1 kg and 3kg have position vectors

2 3 4 i j k  

 
and
   2 3 4 i j k

 

respectively. The

centre of mass has a position vector
1)
i j k   3 2

 

2)    i j k 3 2

 

3)
   i j k 3 2

 

2)
   i j k

Answer 1

Explanation:

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Answer 2

Answer:

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