- A14.4
- B4
- C16
- D12.6
Step-by-Step Solution
81 km/ m/s. To pass a post the train covers its own length: 324 ÷ 22.5 = 14.4 seconds.
Answer: A) 14.4
A goods train 324 m long moves at 81 km/h. In how many seconds does it pass a signal post?
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