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Question Number 54167 by rahul 19 last updated on 30/Jan/19

Commented by rahul 19 last updated on 30/Jan/19

$D e s c r i b e Q u a n t i t a t i v e l y t h e m o t i o n$ $o f t h e s k a t e r s a f t e r t h e y a r e c o n n e c t e d$ $b y t h e p o l e .$
Commented by rahul 19 last updated on 30/Jan/19

$A n s : P u r e r o t a t i o n a b o u t C . O . M w i t h$ $ω = \frac{20}{3} r a d / s .$
	Answered by ajfour last updated on 30/Jan/19

	$a b o u t c . o . m . a n g u l a r m o m e n t u m$ $r e m a i n s c o n s e r v e d;$ $ω = \frac{v}{(l / 2)} = \frac{10}{(3 / 2)} = \frac{20}{3} r a d / s .$
	Commented by rahul 19 last updated on 31/Jan/19

	$t h a n k s s i r!$ $B u t h o w d o y o u k n o w i n i t i a l l y t o r q u e$ $(e x t e r n a l) i s z e r o ?$
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