A charge +q is located at the origin, while an identical charge islocated on the x axis at x= +0.50 m. A third charge of +2 q is
located on the x axis at such a place that the net electrostaticforce on the charge at the origin doubles, its direction remainingunchanged. Where should the third charge be located.
1 answer:
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Answer:
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The solution as per the attached photo.
Answer:
Option D is the correct answer.
Explanation:
We equation for elongation
Here we need to find weight required,
We need to stretch a steel road by 2 mm, that is ΔL = 2mm = 0.002 m
E = 200GPa = 2 x 10¹¹ N/m²
L=2m
Substituting
Option D is the correct answer.