Train speed

A train running at 20 m/s passes by an observer in 5 seconds. Another train, 250 m long, runs on the adjacent track in the opposite direction. Find the speed of the second train.

Final Answer:

v2 =  30 m/s

Step-by-step explanation:

v1=20 s=250 t=5 v2+v1 = s/t v2=s/tv1=250/520=30 m/s



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