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Question Number 219190 by fantastic last updated on 20/Apr/25

Commented by AntonCWX8 last updated on 21/Apr/25

$Y o u t u b e h a s a l o t o f v i d e o s e x p l a i n i n g t h i s .$ $S e a r c h i t y o u r s e l f .$
	Answered by Marzuk last updated on 20/Apr/25

	$R o t a t i n g d i s k p r o b l e m . O n e o f t h e h a r d e s t$ $e x a m q u e s t i o n s i n t h e w o r l d .$
	Answered by mr W last updated on 21/Apr/25

	$(A)$ $ω_{1} = a n g u l a r s p e e d o f r o t a t i o n$ $a b o u t z - a x i s$ $ω_{1} \sqrt{l^{2} + a^{2}} = ω a$ $ω_{1} \sqrt{24 a^{2} + a^{2}} = ω a$ $5 ω_{1} = ω$ $ω_{1} = \frac{ω}{5}$ $\Rightarrow t r u e$ $. . . . . .$
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