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这是一个测定性实验,是力学中的重点实验之一,通过测量位移和时间来间接测量加速度和瞬时速度.根据高考对实验的要求,需要明确被测物理量的含义、理解测量原理、掌握正确的实验方法、科学分析和处理实验数据、了解误差的分析方法.高考从这些方面进行考查,考查了学生的实验能力、数据处理的能力和综合能力;平时多次测试、多次出错,出错率较高,因此笔者进行了探索,供大家参考.
This is an experimental test. It is one of the key experiments in mechanics. It measures the displacement and time to indirectly measure the acceleration and instantaneous speed. According to the requirements of the college entrance examination, it is necessary to specify the meaning of the measured physical quantity, understand the measurement principle, and master the correctness. The experimental methods, scientific analysis and processing of experimental data, analysis methods to understand the error. The college entrance examination from these aspects to examine, examine the students’ experimental ability, data processing capabilities and comprehensive ability; usually multiple tests, multiple errors, error rate Higher, so I conducted an exploration for your reference.