Net electric force and Net electric field

[LionLieOn]

Homework Statement

a) Find the net force on charge 1.
b) What is the net electric field acting on charge 1?

Please see the attached files to view the image that goes with the questions above.

Homework Equations

I'm having trouble with this unit in general and I'm not to confident in these answers. I was wondering if someone can review my work?

The Attempt at a Solution

Please see attached files

 

[ShayanJ]

Yeah, its correct.

 

[Cutter Ketch]

You could have saved a lot of work on part b. Once you have the force all you have to get the field is divide by the charge.

 

[LionLieOn]

Yeah, its correct.

You could have saved a lot of work on part b. Once you have the force all you have to get the field is divide by the charge.

Ahh that's good to know!

Thank you guys so much for the help!