Instructions

recognize the givens and unknowns.

Showing the basic equations related to the principles.

Correct numerical answer and for proper unit

The electric field between two square metal plates is 310 N/C. The plates are 1.5m on a side and are separated by 4.0 cm. What is the charge on each plate (assume equal and opposite)? Neglect edge effects. Express your answer to two significant figures and include the appropriate units.