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Problem A train starts from station A (taken as origin) and travels along a straight track as follows:
(a) 35.0 km h − 1 ; 23 km h − 1 35.0\,\text{km\,h}^{-1};\;23\,\text{km\,h}^{-1} 35.0 km h − 1 ; 23 km h − 1 53.8 km h − 1 ; 0 km h − 1 53.8\,\text{km\,h}^{-1};\;0\,\text{km\,h}^{-1} 53.8 km h − 1 ; 0 km h − 1 53.8 km h − 1 ; 23 km h − 1 53.8\,\text{km\,h}^{-1};\;23\,\text{km\,h}^{-1} 53.8 km h − 1 ; 23 km h − 1 23.0 km h − 1 ; 23 km h − 1 23.0\,\text{km\,h}^{-1};\;23\,\text{km\,h}^{-1} 23.0 km h − 1 ; 23 km h − 1 Browse the problem library