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QUESTION
Q
Find the length of the platform if a train of length 400 m running at a speed of 45 km/hr crosses the platform in 60...
Solution
Length of the train = 400 mLet the length of the platform = PSpeed of the train = 45 km/hr = 45 × (5/18) = 12.5...
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Keynote
To convert speed in km/hr to m/sec multiply it with 5/18.
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