- A11.7 s
- B10.8 s
- C9 s
- D10 s
Step-by-Step Solution
Moving towards each other: relative speed km/h m/s. Time s. (11.7 s subtracts the speeds.)
Answer: D) 10 s
A man walks at 4 km/h towards a 150 m long train that is coming at 50 km/h. In how many seconds does the train pass him?
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