(a) What is the x component of the electric force exerted by A on C? (b) What is

Question

(a) What is the x component of the electric force exerted by A on C?


(b) What is the y component of the force exerted by A on C?
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(c) Find the magnitude of the force exerted by B on C.

Your response differs from the correct answer by more than 100%. N

(d) Calculate the x component of the force exerted by B on C.
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(e) Calculate the y component of the force exerted by B on C.
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(f) Sum the two x components from parts (a) and (d) to obtain the resultant x component of the electric force acting on C.
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(g) Similarly, find the y component of the resultant force vector acting on C.
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(h) Find the magnitude and direction of the resultant electric force acting on C.

Explanation / Answer

point A is at origin, B at x axis, C at y axis

so direction of force on C due to A is along y axis which is equal to total force, no x component

part a)

Fx=0

part b)

Facy=Fac=kqaqc/32

part c)

Fbc=kqbqc/(52)

part d)

Fbcx=Fbc(sin45)

part e)

Fbcy=Fbc(cos45)

part f)

Fx=Fbcx

part g)

Fy=Facy+Fbcy

part h)

since Fac is repulsive, Fbc is attractive,angle between them is 135

net F=Fac Fbc cos(135)

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