本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 通用国际物理
[单选题]
When an object is released from rest and fallj mcnj 5+:1 eeuy8qgu6cy.n c6rwat1+s in the absens+s.vim; ,bz7jccxwqz eruq+ c 17(;dce of friction, which of the following is true concerning its motiic+qjm(+ v.,ez cws7rq czuxbd s ;17;on?
A. Its acceleration is constant.
B. Its velocity is constant.
C. Neither its acceleration nor its velocity is constant.
D. Both its acceleration and its velocity are constant.
参考答案: A
本题详细解析:
暂无
| 
