two sphere with 10 cm radious and 1 kg mass and distence between this two is 1 m .after what time they will touch each other?


Question and Answers Forum

All Questions Topic List
Gravitation Questions
Previous in All Question Next in All Question
Previous in Gravitation Next in Gravitation
Question Number 33824 by Nayon.Sm last updated on 25/Apr/18

$two sphere with 10 cm radious and$ $1 kg mass and distence between$ $this two is 1 m . after what time they$ $will touch each other ?$
	Answered by Andrew Foxman last updated on 08/May/19

	$I t g i v e s u s$ $r_{0} = 1.2 m$ $r = 0.2 m$ $m = 1 k g$ $t = ?$ $D o y o u r e m e m b e r f o r m u l a ?$ $g (r) = \frac{r}{t^{2}} \Rightarrow t = \sqrt{\frac{r}{g (r)}} (1) b e c a u s e t h e b a l l s w i l l$ $f a l l i n t o e a c h o t h e r . A l s o g (r) = G \frac{m}{r^{2}} (2) .$ $I n t r o d u c i n g (1) i n (2) a f t e r u s i n g s o m e a l g e b r a$ $t = \sqrt{\frac{r^{3}}{G m}} (r = 0.2 m) S o u s e t h i s f o r m u l a .$ $T h e r e i s a n o t h e r c o m p l i c a t e d w a y t h a t$ $r e q u i r e s d i f f e r e n t i a l . I s h o w e d y o u a$ $s i m p l e w a y .$
Terms of Service
Privacy Policy
Contact: info@tinkutara.com

Question and Answers Forum