PLEASE HELP!! I HAVE A TEST TOMORROW!!

i just posted this problem but a very important drawing was left out!

if Q=30 uC, q=5.0 uC, and d=30cm, what is the magnitude of the electrostatic force on q in N?

(Ke= 8.99 x 10^9 Nm^2/C^2)
(uC= micro coulombs)
(u= 10^-6)

d 2d
O<--->O<--------->O
Q q 2Q

a. 15
b. 23
c. zero
d. 7.5
e 38

i know coulomb's law but i don't know how to apply it to this problem

Similar Questions
  1. sorry! trying to get the drawing correct!PLEASE HELP!! I HAVE A TEST TOMORROW!! i just posted this problem but a very important
    1. answers icon 0 answers
    1. answers icon 1 answer
  2. Please help!!! Physics test!?I have a physics test tomorrow on projectile motion, and I don't feel ready for it. I'm having
    1. answers icon 1 answer
  3. Which of the following sentences correctly uses a semicolon?Responses I have a big test tomorrow; I can't go out tonight. I have
    1. answers icon 1 answer
more similar questions