A particle of mass m and charge q is placed at rest in a uniform electric field E as shown and released. The KE, it attains after moving a distance y is
1
\(\frac{q E y}{2}\)
2
qE2y
3
qEy
4
\(\frac{1}{2} m(q E y)\)
A particle of mass m and charge q is placed at rest in a uniform electric field E as shown and released. The KE, it attains after moving a distance y is