Physics

Problem

Consider a rectangle

ABCD

with sides

AB = 3\,\text{m}

and

BC = 4\,\text{m}

. Point charges

q_{1} = +16\,\text{nC}

and

q_{2} = +9\,\text{nC}

are placed at vertices

A

and

C

respectively. Determine the magnitude of the electric field at vertex

B