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Seven particles are placed at the seven ...

Seven particles are placed at the seven corners of a cube of side 'a' (except at origin ) . The mass of each particle is 'm' . The centre of mass of the system is

A

`(a)/(sqrt3) hati + (a)/(sqrt3) hatj + (a)/(sqrt3) hatk`

B

`(a)/(3) hati + (a)/(5) hatj + (a)/(3) hatk`

C

`(4a)/(7) hati + (4a)/(7) hatj + (4a)/(7) hatk`

D

`(5a)/(7) hati + (5a)/(7) hatj + (5a)/(7) hatk`

Text Solution

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DC PANDEY ENGLISH-CENTRE OF MASS, IMPULSE AND MOMENTUM-Comprehension type questions
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