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# Two identical particles , each having a charge of $\;2\times10^{-4}\;C\;$ and mass 10g are kept at a separation of 10 cm and released . What would be the speeds of the particles when the separation becomes large ?

$(a)\;600\;m/s\qquad(b)\;600\;cm/s\qquad(c)\;60\;m/s \qquad(d)\;None\;of\;these$