question_answer

A particle of mass m and charge q is placed at rest in a uniform electric field E and then released. The kinetic energy attained by the particle after moving a distance y is:

A)  \[qE{{y}^{2}}\]

B)         \[q{{E}^{2}}y\]

C)  \[qEy\]               

D)         \[{{q}^{2}}Ey\]