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[" Q19.A body of mass "100g" is rotating...

[" Q19.A body of mass "100g" is rotating in a circular path of radius "r" with constant velocity.Then "],[" work done in one complete revolution will be.............."],[[" (A) "100" r Joule "," (B) "(x+100)" Joule "],[" (C) "(100/r)" Joule "," (D)Zero "]]

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