72km/h等于多少m/s?

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72km/h等于多少m/s?
72km/h等于多少m/s?

72km/h等于多少m/s?
72km/h
=72*1000m/3600s
=20m/s

72÷3.6=20m/s
或72km/h=72*1000m/3600s=20m/s

1km/h=1/3.6 m/s
72km/h=20m/s

72Km/h=72*1000m/60*60s=20m/s

72÷3.6=20m/s

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