【测验】运动和能量

Quiz
•
Physics
•
7th - 9th Grade
•
Hard
Lim Chin Kun
Used 2+ times
FREE Resource
10 questions
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1.
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1 min • 1 pt
物体的空间位置随时间而变化的过程,称为( )。
2.
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1 min • 1 pt
判断物体的运动情况时,需选定( )
3.
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1 min • 1 pt
物体运动前后位置的直线距离,称为( )
4.
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1 min • 1 pt
小光绕着400米的跑道,跑了两圈,则位移是( )
5.
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1 min • 1 pt
小陈在100米的直线跑道上,从起点跑到终点,他的位移是( )
6.
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1 min • 1 pt
在科学上,__________是用单位时间内物体通过的位移来比较物体运动的快慢。
7.
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1 min • 1 pt
公式 ,其中的 是( )
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