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Point charges of 28.0 µC and 35.0 µC are placed 0.250 m apart.
(a) At what point (in m) along the line between them is the electric field zero?
____ m away from the 28.0 µC charge
(b) What (in N/C) is the electric field halfway between them? (Enter the magnitude.)

Respuesta :

osprey2015

BRAINLY 5 ZERO FIELD POINT BETWEEN TWO CHARGES


Draw a horizontal arrow for an x axis.

28.0 charge goes at x=0.

35.0 charge goes at x=0.25


Zero field ...

28/x^2 = 35/(0.25-x)^2


Quadratic in x.

Solve quad.


poss answer

(root 5-2)/2

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