- A90 km/h
- B99 km/h
- C72 km/h
- D81 km/h
Step-by-Step Solution
Relative speed m/s km/h. Opposite directions, so train km/h.
Answer: D) 81 km/h
A 150 m long train passes a cyclist riding at 9 km/h towards it in 6 seconds. What is the speed of the train?
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