10．做简谐运动的单摆，其摆长不变，若摆球的质量增加为原来的9/ 4倍，摆球
经过平衡位置的速度减为原来的 2 /3，则单摆振动的（）
单摆与弹簧振子 · 历年高考物理真题与解析
本页汇总 高考真题检索 的「单摆与弹簧振子」高考物理真题共 1 道，覆盖 2017 年，最常出题型为 单选题；含完整答案与解析。
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2017
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Single-choice
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