20km/h等于多少m/s

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20km/h等于多少m/s
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20km/h等于多少m/s
20km/h等于多少m/s

20km/h等于多少m/s
20km/h
=20*1000m/(3600s)
=200/36m/s
=50/9m/s

50/9m/s

20/3.6=5.6m/s

20*1000/3600=5.56m/s

20km/h
=20*1000m/(3600s)
=200/36m/s
=50/9m/s

0.5

20除以3.6就是答案

20/3.6=50/9 m/s

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