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入学考试物理一、单选题(每小题4分,共28分)1.关于加速度,下列说法正确的是( )A.加速度是描述位置变化快慢的物理量B.速度的变化量越大,加速度越大C.加
入学考试物理一、单选题(每小题4分,共28分)1.关于加速度,下列说法正确的是( )A.加速度是描述位置变化快慢的物理量B.速度变化量越大,加速度越大C.加速
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兰州一中高三年级诊断考试试卷高三物理说明:本试卷满分100分,考试时间75分钟。答案写在答题卡上,交卷时只交答题卡。一、单项选择题:本题共7小题,每小题4分,共
参考答案:单选题:1.D2.A3.D4.B5.D6.A7.D【详解】A.手机与充电宝从静止开始,向下先做加速度增大的加速运动,从t1时刻向下做加速度减小的加速运
四川省成都市树德中学2024-2025学年高三上学期开学考试物理试题一、单选题(每小题4分,共28分)1.如图所示是某一带电导体周围的电场线与等势面,A、C是同
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