Two hot cubes are at same temperature and both are cooled by forced convetion the cube are made from the same material but one has side of L metre and other one 2L metre. which cube is at quicker rate of cooling


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Question Number 51148 by peter frank last updated on 24/Dec/18

$T w o h o t c u b e s a r e a t s a m e$ $t e m p e r a t u r e a n d$ $b o t h a r e c o o l e d b y f o r c e d$ $c o n v e t i o n t h e c u b e a r e m a d e$ $f r o m t h e s a m e m a t e r i a l$ $b u t o n e h a s s i d e o f L m e t r e$ $a n d o t h e r o n e 2 L m e t r e .$ $w h i c h c u b e i s a t q u i c k e r$ $r a t e o f c o o l i n g$
	Answered by peter frank last updated on 25/Dec/18

	Commented by peter frank last updated on 25/Dec/18

	$i t h i n k s m a l l e r c u b e i s a t$ $q u i c k e r r a t e o f c o o l i n g$ $t h a n l a r g e r c u b e b e c o u s e$ $r a t e o f c o o l i n g f o r s m a l l e r$ $c u b e i s t w i c e t h a t o f l a r g e r$ $c u b e$
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