A train passes through a telegraph post in 9 seconds moving with a speed of 54 km per hour. The length of the train is
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Answer:
If we assume that the telegraph post has no width, then the train covers its own length in the given time interval.
Thus,
Length of the train
= Speed × Time
= 54×9×(5/18) m ( 1Km/hr = 5/18 m/s)
= 135 m
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