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A point charge +q & mass 100 gm experi...

A point charge ` +q` & mass ` 100 gm` experiences a force of ` 100N` at a point of 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 .

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The correct Answer is:
`[20sqrt("ln"2)]`
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PHYSICS GALAXY - ASHISH ARORA-ELECTROSTATICS-Unsolved Numberical Problems
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  3. Figure shown a section through two long thin concentric cylinders of r...

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  7. Two small metallic balls of radii R(1) & R(2) are kept in vacuum at a ...

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  9. A charge Q is uniformly distributed over a rod of length l. Consider a...

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  10. A particle having a charge of q=8.85muC is placed on the axis of a cir...

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  11. Electrically charged drops of mercury fall from an altitude h into a s...

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  12. A non-conducting sphere ofradius R has a positive charge which is dist...

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  13. Two identical charges, 5 muC each are fixed at a distance 8 cm and a c...

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  14. A particle of mass m and charge -q moves along a diameter of a uniform...

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  15. Two concentric conducting thin shells of radius R and 2 R carry charge...

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  16. The electric field strength depends only on the x and y coordinates ac...

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  17. A very long charged wire (lying in the xy plane ) which is having a li...

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  18. A solid sphere ofradius 'R' is uniformly charged with charge density r...

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  19. Find the electric field at the origin due to the line charge (ABCD) of...

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  20. A point charge +q & mass 100 gm experiences a force of 100N at a po...

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