MOOC 21秋-Essential University Physics-须萍02(苏州大学)1464622174 最新慕课完整章节测试答案
Chap1 Translational Motion
test1.Translational Motion
1、单选题：
选项：
A: x-component>0，y-component>0
B: x-component>0，y-component<0
C: x-component<0，y-component>0
D: x-component<0，y-component<0
答案: 【 x-component>0，y-component>0】
2、单选题：
选项：
A: piont P
B: piont Q
C: point R
D: point S
答案: 【 piont P】
3、单选题：
选项：
A: its velocity is zero and its acceleration is zero.
B: its velocity is zero and its acceleration is positive (upward).
C: its velocity is zero and its acceleration is negative (downward).
D: its velocity is positive (upward) and its acceleration is zero.
答案: 【 its velocity is zero and its acceleration is negative (downward). 】
4、单选题：
选项：
A: 
B: 
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