1.

Two identical charged spheres suspended from a common point by two massless strings of length I are initially a distance d(dltlt1) apart because of their mutual repulsion. The charge begins to leak from both the spheres at a constant rate. As a result the charges approach each other with a velocity v. Then as a function of distance x between them,

Answer»

`V ALPHA X^(-1)`
`v alpha x^(1//2)`
`v alpha x`
`v alpha x^(-1//2)`

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