2024二模考试物理参考答案及评分标准
2024年高三年级第二次模拟考试物理学科参考答案及评分标准一、选择题:本题共10小题,共46分。在每小题给出的四个选项中,其中第1-7题只有一项符合题目要求,每小题4分;第8-10题有多项符合题目要求,每小题6分,全部选对的得6分,选对但不全的得3分,有选错的得0分。二、非选择题11.(6分)(1)<(2分)(2)1211cos1cosmmm(2分)(3)不需要(2分)12.(8分)(1)b(2分)(2)1.5(1分)10(1分)偏大(2分)(没有有效数字要求,数对就给分)(3)(2分)(只要画错就不得分)13.(10分)(1)根据题意,当包裹刚开始下滑时满足sincosmgmg...
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