Could someone please provide me with the correct answer...I have only one try le

Question

Could someone please provide me with the correct answer...I have only one try left :( I just need part A. I found out what part b is...

a) Find the magnitude and direction of the net electrostatic force exerted on the point charge q3in the figure below. Let q = +4.7

Could someone please provide me with the correct answer...I have only one try left :( I just need part A. I found out what part b is... Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below. Let q = +4.7 muC and d = 45 cm.

Explanation / Answer

use formua kq1q2/r^2 as

let kq^2/d^2 = x

net F = (6x)i+12xj-3xcos45j-3xcos45i

net F = (6-3cos45)xi + (12-3cos45)xj

put the values and get the answers

to calculate magnitude of F = ai+bj , use SQRT(a^2+b^2)

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