Speed of train = (Length of train + Length of Platform)/Required time Length of train = 280 m Crossing time of platform = 2 × 60 = 120 sec Length of platform = 280 × 2 = 560 m Let the speed of train be x. Speed of train = (280 + 560)/120 ⇒ x = 7 m/s
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Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinizatio...
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