- A40 s
- B25 s
- C15 s
- D11.1 s
Step-by-Step Solution
72 km/h m/s. Distance m. Time s. (25 s covers only the bridge; 11.1 s forgets to convert km/h.)
Answer: A) 40 s
A 300 m train runs at 72 km/h. In how many seconds does it get across a 500 m bridge?
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