Problem 20.46 A 0.80 ? C charge and a 2.9 ? C charge are 13.5 c m apart. Part A

Question

Problem 20.46 A 0.80?C charge and a 2.9?C charge are 13.5cmapart. Part A Find a point where the electric field is zero. Express your answer using two significant figures. Enter the distance from the required point to the charge 0.80?C . x =   cm   Problem 20.46 A 0.80?C charge and a 2.9?C charge are 13.5cmapart. Part A Find a point where the electric field is zero. Express your answer using two significant figures. Enter the distance from the required point to the charge 0.80?C . x =   cm   Problem 20.46 Problem 20.46 A 0.80?C charge and a 2.9?C charge are 13.5cmapart. A 0.80?C charge and a 2.9?C charge are 13.5cmapart. A 0.80?C charge and a 2.9?C charge are 13.5cmapart. Part A Find a point where the electric field is zero. Express your answer using two significant figures. Enter the distance from the required point to the charge 0.80?C . x =   cm   Part A Find a point where the electric field is zero. Express your answer using two significant figures. Enter the distance from the required point to the charge 0.80?C . x =   cm   Part A Find a point where the electric field is zero. Express your answer using two significant figures. Enter the distance from the required point to the charge 0.80?C . x =   cm   x =   cm   x =   cm   x =   cm  

Explanation / Answer

q1 = 0.8

q2 = 2.9

E1 = E2

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

q1/x^2 = q2/(d-x)^2

d-x/x = sqrt(q2/q1)

x = d/1+sqrt(q2/q1)

x = 4.655

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