A flat circular disk has a charge +Q uniformly distributed on the disk.a charge +q is thrown with kinetic energy E towards the disc along the normal axis.How will the charge q move?..why?

q move accelerated and in straight line towards centre of disc due to y component of force is cancelled out due to symmetry.Hope it clears. If u have doubts then please clearify. And if u like my answer then please approve answer

Approved