viewquestions/11200/Cost of a dozen pens is Rs 180 and cost of 8 ball pens is Rs 56 Find the ratio of the cost of a pen to the cost of a ball pen Mathematics cbse std 6th Ratio and Proportion
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## A ball of mass (m) 0.5 kg is attached to the end of a string having length (L) 0.5 m. The ball is rotated on a horizontal circular path about vertical axis. The maximum tension that the string can bear is 324 N. The maximum possible value of angular velocity of ball (in radian/s) is - jee main 2012 physics

(A) 9
(B) 18
(C) 27
(D) 36

By:milan-ransingh

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pankaj

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