20m/s=多少km/h
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/20 16:44:22
5m/s等于18km/h5×3600÷1000=18000÷1000=18千米/小时
18km/h=5m/s10m/s=36km/h50cm/s=1.8km/h,20dm/s=7.2km/h
5,4÷3.6再问:多少再答:1.3再答:1.5再问:嗯再答:是吗再问:嗯,是的
1000m/3600s≈0.28m/s
1m/s=0.001km/s1km/h=1/3.6m/s1m/s=3.6km/h
1)=0.036km/h\x0d2)=5/18m/s\x0d
一小时=3600秒所以10m/s=36000m/h=36km/h
1m=1/1000km,1s=1/3600h,1m/s=3.6km/h.
20M/S=72KM/H
5.1m/s=0.0051km/(h/3600)=0.0051×3600km/h=18.36km/h
1km/h=1000m/3600s=5/18(m/s)≈0.2778(m/s)供参考!JSWYC
20km/h=20*1000m/(3600s)=200/36m/s=50/9m/s
40m/s=144km/h
3.6*36=129.6m/s这是什么意思,我没看懂,但我只知道你前面几步的换算都是对的,物理书上的换算也是对的.
1km/h=5/18m/s
72km/h=72*1000m/60*60s=20m/s10m/s=36km/h
10*3600/1000=36km/h
18km/h再问:再问:10.8k/h=多少m/s再问:
您好!54km/h=(18)m/s54÷3.6=18
5.2m/s=(5.2/1000)/[(1/60)/60)](km/h)=(5.2/1000)*3600(km/h)=18.72(km/h)