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| 1. |
a train 180 metre long crosses a standing man in 12 seconds .find the speed of the train in kilometre per hour |
| Answer» 54 km/hStep-by-step explanation:1) 180M / 12S = 15m/sIf 1 m/s = 3,6 km/h than:2) 15 × 3,6 = 54 km/h | |