- A20 s
- B13.3 s
- C6.7 s
- D5.6 s
Step-by-Step Solution
54 km/h m/s. Distance m. Time s. (13.3 s covers only the bridge.)
Answer: A) 20 s
A 100 m train runs at 54 km/h. How long does it take to cross a 200 m bridge?
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