一条船顺水行36千米和逆水行24千米用的时间都是3h,求船在静中的速度和水流速度
人气：123 ℃ 时间：2019-09-05 09:14:30
解答
顺水速度为36÷3=12km/h
逆水速度为24÷3=8km/h
顺水速度=静水速度+水流速度
逆水速度=静水速度-水流速度
所以静水速度=（顺水+逆水）÷2=（12+8）÷2=10km/h
则水流速度为12km/h-10km/h=2km/h
答：静水速度为10km/h,水流速度为2km/h
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