Find the electric field intensity due to a point, line, and plane

[falyusuf]

Homework Statement

Attached below.

Relevant Equations

Attached below.

Question:

My attempt:

Could someone please confirm my answer?

 

[Babadag]

In my opinion E2=2*10^-9*(1/√2ŷ+1/√2ž)/(2πεo√2).
Otherwise everything is correct

 

[falyusuf]

In my opinion E2=2*10^-9*(1/√2ŷ+1/√2ž)/(2πεo√2).
Otherwise everything is correct

So d^ is a unit vector, right?

 

[Babadag]

Yes