Question

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25 km/min a km/h a cm/seg

40 m/min a m/seg a k/h

Answer 1

25 km/min = 25 km/h * 1 h/ 60 min = 25/60 km/min = 0,42 km/min

0,42 km/min * 100000 cm/km * 1 min/60 seg = 666,67 cm/seg

40 mts/min * 1 min/60 seg = 0,67 mts/seg

0,67 mts/seg * 1 km/1000 mts * 3600 seg/hr = 2,41 kms/hr