I'd first convert km/hr to m/s (meters/sec):

72km/hr = 72km/hr * (1hr/3600sec) * (1000m/km) = 20 m/s



20m/s * 25s =   (about 1640.4 ft long) 

Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
 .





To see many similar solved problems, look into the lessons



    - A train passing a telegraph post and passing a bridge 



    - A train passing a platform 



    - A train passing through a tunnel 



    - A light-rail train passing a walking person 



    - A train passing another train 





    - A man crossing a bridge and a train coming from behind 



in this site.





 

RELATED QUESTIONS

	
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the... (answered by mananth)

The total length of train A and train B together is 777 m. Train B can cross an electric... (answered by TimothyLamb)

a passenger in a train found that the train takes 15 seconds to cross a platform.The... (answered by ankor@dixie-net.com)

A train 240m long takes 24 secs to cross a man running at 10km/hr in the same direction... (answered by lwsshak3)

A train running at the speed of 120km/hr crosses a pole in 12seconds. What is the length... (answered by josmiceli)

A train running at the speed of 45 km/hr took 12 seconds to pass a  certain point.What... (answered by josmiceli)

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length... (answered by mananth)

A train moving at an average speed of 90 km/h takes 8 seconds to completely cross a... (answered by ikleyn)

A train running at the speed of 90 km/hr crosses a platform of length 160 m in 10... (answered by stanbon)