Answers Must Be Correct : Answer Part A & B correctly and points will be awarded

ID: 2271592 • Letter: A

Question

Answers Must Be Correct:

Answer Part A & B correctly and points will be awarded to the correct individual. Thank you!

Part A:

-Find the direction and magnitude of the net electrostatic force exerted on the point charge q2 in the figure. (Figure 1)

-Let q=+2.3?C and d=37cm

-Express your answer using two significant figures.

-ANSWER: Fnet = ???

Part B:

Express your answer using three significant figures.

-ANSWER: ? = ??? ? counterclockwise from q2-q3 direction

Find the direction and magnitude of the net electrostatic force exerted on the point charge

force on the charge F12+F24+F23

F12=k*q1*q2/d^2(-j)

F23=k*q2*q3/d^2(-i)

F24=k*q2*q4/(2d^2)(-i+j)/(sqrt(2))

so F=F12+F23+F24

=-8.828kq^2/d^2i+0.828kq^2/d^2

=-3.07i+0.288j

A) F=3.08N

B) angle=tan-1(0.288/3.07)=5.359

counterclockwise from q2-q3 is 180-5.359=174.640 degree

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