Long train

A 110 m long train crosses a tree in 3 s. How long will it take to cross a 165 m long platform and 135 m long bridge, If the platform and bridge are at a distance of 30 m?

Correct answer:

t2 =  12 s

Step-by-step explanation:

L=110 m t1=3 s  v=t1L=311036.6667 m/s  s=165+135+30=330 m  t2=vs+L=36.6667330+110=12 s



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