Your answer is partially correct. Try again. The gure shows a very large noncond

Question

Your answer is partially correct. Try again. The gure shows a very large nonconducting sheet that has a uniform surface charge density ? 3.70 ??/m2 it a so shows a partide of charge -6 60 ?? at distance d rom the sheet. Both are fixed in place. If d = 30.0 cm, at what a positive and b) negative coordinate on the x axis other than infinity is the net electric eld of the sheet and part ce zero? (c) 81.0cm. at what coordinate s Enet-0 (a) NumberT28.4 (b) Nu (c) Numb Click if you would like to Show Work for this question: 28.4 unte Open Show Work SHOW HINT

Explanation / Answer

surface charge density
? = -3.70 µC/m2
= -3.70*10-6 C/m2
I?I =3.70*10-6 C/m2
charge Q = 6.6*10-6 C
for non conducting sheet ,
the electric field E = ?/2?0
but , the electric field E = kQ/r2
therefore,
I?I/2?0 = kQ/r2
I?I/2?0 = Q/4??0r2
r = [Q/2?I?I]1/2 ............ (1)
r = ± 0.533 m
r = ± 53.3 cm
..................................................................
if, d = 41 cm ,
i.e, r > d
there is both values are allowed.these are given below
a)
on the positive x- axis,
r =x = +53.3 cm
b)
on the negative x- axis,
r = x = -53.3 cm
c)
if d = 81 cm

the field is zero or cancel only at point x = 53.3 cm

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