【摘要】 研究了高中物理中理解瞬时速度概念的实验.通过理论分析,自制光电门和挡光板,使得测量速度最大程度接近了瞬时速度.更多还原

【Abstract】 The experiment measuring instantaneous velocity in senior middle school is discussed.By using self-made photogate and sliding shutter,as well as by making theoretical analyses,the measured velocity is very close to the instantaneous velocity.更多还原