[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a directionud.rt:3x 20ul lxra*rf1 wzp- 8fc nj5k xv gfsc/- uirv-:8:.3ldbbn.
参考答案:
本题详细解析: This is true because a vect dsc x ;pe43gd/z x8.sxhp)0nhq -xv:tor is a quantity with not only a magnitude but also a direction. So the answer is x:0vsx c3qh)gtexd 8s/.x4 n;p-zdhptrue.
Post time 2025-10-24 09:48:17
