Question

A particle of charge q and mass m is at rest at origin

Answer 1

A particle of mass m and charge q is placed at rest in a uniform electric field E and then released. ... An electron of charge 'e' at the rest is accelerated in a uniform electric field E. It covers a distance x.

Answer 2

Explanation:

velocity v inside a fixed smooth groove in the shape of a sine curve. .

An electron of charge ‘e' at the rest is accelerated in a uniform electric field E. It covers a distance x.

A particle of mass m and charge q is thrown with speed u ...