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A rigid body consists of a `3kg` mass located at `vec r_1=(2hat i + 5 hat j)m` and a `2kg` mass located at `vec r_2 = (4hat i +2 hat j)m`. The position of centre of mass is
A. `(14/5 hatj+19/5 hati)m`
B. `(14/5 hati+19/5hatj) m`
C. `(19/5 hati+14/5hatj) m`
D. `0`

1 Answer

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Best answer
Correct Answer - B
`vec(r)_(cm)=(m_(1)vec(r)_(1)+m_(2)vec(r)_(2))/(m_(1)+m_(2))`

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