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A Train 360 M Long Is Running At A Speed Of 45 Km/hr. In What Time Will It Pass A Bridge 140 M Long? |
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Answer» Formula for converting from km/hr to m/s: X km/hr = X *( 5/18) m/s. so Speed = 45 * 5/18 m/sec = 25/2 m/sec. TOTAL distance to be covered = (360 + 140) m = 500 m. Required time = 500 * 2/25 sec = 40 sec. Formula for converting from km/hr to m/s: X km/hr = X *( 5/18) m/s. so Speed = 45 * 5/18 m/sec = 25/2 m/sec. Total distance to be covered = (360 + 140) m = 500 m. Required time = 500 * 2/25 sec = 40 sec. |
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