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A system consists of N identical particles of mass m placed
rigidly on the vertices of a regular polygon with each side of
length l. If K₁ be the kinetic energy imparted to one of the
particles so that it just escapes the gravitational pull of the
system and thereafter kinetic energy K₂ is given by to the
adjacent particle to escape, then the difference (K₁-K₂) is

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answer vii) onwards and dont use chatgpt thank you!