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The velocity of body of rest mass m0 is ...

The velocity of body of rest mass `m_0` is `frac(sqrt3)(2) c` (where c is the velocity of light in vaccum). Then mass of the body is

A

`(sqrt3/4)m_0`

B

`(1/2)m_0`

C

`2 m_0`

D

`(2/sqrt3)m_0`

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