mechanic: 2-D motion

2008-10-08 1:46 am
position vector同displacement 有咩分別。

回答 (1)

2008-10-08 3:50 am
✔ 最佳答案
A 'position vector' indicates the position of an object from a reference point (the origin).

Displacement is the vector difference between two position vectors, i.e. the final position vector minus the initial position vector.


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