The speed of train is 30 km/hr .How long will it take to cross a signal if it's length is 25m?
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q1 i the speed of a train is 30 km in how long will it take to cross a signal if its length is 25 m ii how long will a 50 m long train ... (i). Speed of a train = 30 km/hr = 8.33 m/s.
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