陕西省咸阳市永寿县甘井中学2024-2025九年级上学期第一次阶段性作业物理试题（无答案）

D.热
甲
C.
3.7 220
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图
速
速
C.起
甲
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相连
CD间的
已 甲
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如图所示为探究物体动能大小与哪些因素有关的实验装置。
质量相同
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