Cevaplar

2012-12-11T17:32:56+02:00
1 km = 1000 m 
1 min = 60 sec
1hr = 60 min

72 km/h x 1000m/1km x 1 hr/60 min x 1 min/60 sec

so 72 km/h = 20 m/s 4 years ago
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2012-12-11T17:33:39+02:00

72m/s = 0,072 km/h' dir cevap bu :)

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