Vectors and Scalars

这个比较简单，快过吧

• Vectors：a quanlity has direction as well as magnitude>>vector quanlity

  方向+距离=vector

• Scalars:specified compeltely by a number and units>>scalar quanlity

  只有距离

今天的分享很短，谢谢阅读，三连是对我来说最好的支持