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A particle A of charge 1 mu C is held f...

A particle A of charge ` 1 mu C` is held fixed at a point P in free space . Another particle B of same charge and mass `4 mu g` is kept at a distance of 1mm from P. If B is released then its velocity at a distance of 9 mm from P is (Take `(1)/( 4pi epsilon_(0)) =9 xx 10^(9)Nm^(2) C^(-2))`

A

`1. 5 xx 10^(2) m//s `

B

`1.0 m //s`

C

`3.0 xx 10^(4) m//s`

D

`2.0 xx10^(3) m//s`

Text Solution

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The correct Answer is:
D
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