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A famous relation in physics relates ‘moving mass’ m to the ‘rest mass’ $m_0$ of a particle in terms of its speed v and the speed of light, c. (This relation first arose as a consequence of special relativity due to Albert Einstein). A boy recalls the relation almost correctly but forgets where to put the constant c.

1 Answer

$ m = \large\frac{m_o}{\bigg[ 1- \Large\frac{v^2}{c^2} \bigg]^{\Large\frac{1}{2}}}$
Hence (A) is the correct answer.
answered Jun 2, 2014 by thanvigandhi_1

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