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1,200mskmh

200m=0.2km 1s=1/3600h 200m/s =0.2km/(1/3600)h =720km/h

200mskmh

2,200脉的速度等于多少kmh

1.609*200=321.8km/h
320
320
30节=55.56km/h1海里相等于国际单位制1,852米=1.852公里
320

200脉的速度等于多少kmh

3,200ms kmh

1m=1/1000km1s=1/3600h∴1m/s=3.6km/h200m/s=720km/h
1km/h=(1/3.6)m/s=0.278m/s 1m/s=3.6km/h
200m/s=(720 )km/h1m/s=3.6km/h

200ms kmh


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