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The position Vectors of two identical p...

The position Vectors of two identical particles with respect to the origin in the three-dimensional coordinator system are `r_1and r_2` The position of the centre of mass of the system is given by

A

`r_1 + r_2`

B

`2(r_1 + r_2)`

C

`r_1 -r_2`

D

`(r_1+r_2)/2`

Text Solution

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The correct Answer is:
D
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