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A training 50 metre crosses a railway bridge in 26 seconds at a speed of 90 km per hour.what is the length of the bridge? |
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Answer» = Let length of bridge be x.= Distance traveled by train = 50 + x = Speed = Distance / time = Speed = 90 km/h = 90 * 5 / 18 = 25 m/s = 25 = (50 + x) / 26 = 650 = 50 + x = x = 600 m. |
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