how-many-trips-can-a-bird-moving-in-120m-s-make-between-two-trains-which-are-initially-120m-apart-and-moving-in-60m-s-to-each-other-

Question Number 50450 by JDlix last updated on 16/Dec/18

h o w m a n y t r i p s c a n a b i r d m o v i n g i n 120 m / s m a k e

b e t w e e n t w o t r a i n s w h i c h a r e i n i t i a l l y 120 m a p a r t a n d

m o v i n g i n 60 m / s t o e a c h o t h e r ?