Seema is in a train running at 72 km/h. Her train overtakes a 300 m goods train on the next line, and the goods train takes 30 seconds to go past her window. How fast is the goods train?

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Accepted Answer

36 km/h. Relative speed =300/30=10 m/s =36 km/h. Same direction: goods =72-36=36 km/h. (10 km/h forgets to convert m/s.)

Seema is in a train running at 72 km/h. Her train overtakes a 300 m goods train on the next line, and the goods train takes 30 seconds to go past her window. How fast is the goods train?

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