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Grade 11Discuss with colleagues and IITians

A point charge + q & mass 100 gm experiences a force of 100 N at a point at a distance 20 cm from a
long infinite uniformly charged wire. If it is released find its speed when it is at a distance 40 cm from wire

moidin afsan

12 Years agoGrade 11

2 Answers

Arun Kumar

Approved Tutor Answer12 Years ago

$1/mv^2=|qE.dx|=|q\lambda/4\pi \epsilon_{0}x|=q\lambda ln(2)/4\pi \epsilon_{0} \\=>v^2=q2*\lambda ln(2)/4\pi \epsilon_{0} \\\\ q\lambda/4\pi \epsilon_{0}*0.20=100$

Calculate yourself .

Thanks & Regards

Arun Kumar

IIT Delhi

Askiitians Faculty

moidin afsan

12 Years ago

thankssssssssssss

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