船駛向西邊,但水流向南邊,求的是一個和速度,使用勾股定理就可以了.
加油!
A motorboat,which has a speed of 5 meters per second in still water,is headed wast as it crosses
A motorboat,which has a speed of 5 meters per second in still water,is headed wast as it crosses
a river flowing south at 3.3 meters per second.What is the magnitude of the boat's resultant velocity with respect to the starting point?
有點暈,為什么向東還要向南?
a river flowing south at 3.3 meters per second.What is the magnitude of the boat's resultant velocity with respect to the starting point?
有點暈,為什么向東還要向南?
英語人氣：228 ℃時間：2020-06-05 15:58:15
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