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Answer :
Final answer:
To find the speed of the train, calculate the relative speed between the train and the stationary pole. The speed of the train is 216 km/h.
Explanation:
To find the speed of the train, we need to first calculate the relative speed between the train and the stationary pole. We know that the train takes 240 seconds to cross a 3600m long train, so the relative distance covered by the train and the pole is 3600m. Since the train takes 1 minute to cross the pole, which is 60 seconds, we can calculate the relative speed.
Relative Speed = Relative Distance / Time = 3600m / 60s = 60m/s
Now, we convert the relative speed from m/s to km/h by multiplying it by 3.6:
Relative Speed in km/h = 60m/s * 3.6 = 216km/h
Therefore, the speed of the train is 216 km/h (option a).
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