- A500 m
- B100 m
- C300 m
- D200 m
Step-by-Step Solution
Relative speed km/h m/s, and only the goods train passes her: m. (100 m subtracts the speeds.)
Answer: A) 500 m
A passenger in a train moving at 54 km/h sees a goods train running the opposite way at 36 km/h pass her in 20 seconds. How long is the goods train?
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