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Grade: 11
        A charge + Q is uniformly distributed over a thin ring with radius R. A negative point charge – Q and
mass m starts from rest at a point far away from the centre of the ring and moves towards the centre.
Find the velocity of this particle at the moment it passes through the centre of the ring.
4 years ago

Answers : (3)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							Draw the figure .
See we find the force by whole ring at a point where distance of point is x from the center.
Center is our origin here.
|Work done|=gain in KE

Arun Kumar
IIT Delhi
Askiitians Faculty
4 years ago
moidin afsan
20 Points
							
thank uuuuuuu
4 years ago
moidin afsan
20 Points
							
how did dx come ????? pls ans
 
4 years ago
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