它从静止开始以匀加速度竖直下落。
It starts from rest and falls vertically downward with uniform acceleration.
爱因斯坦电梯；炮火射程；匀加速度和圆周运动的量纲分析。
Einstein's elevator; Artillery range; Uniform acceleration and circular motion using dimensional analysis.
以匀加速-匀速-匀减速运动为例，分析了测量误差与加速度之间的关系，仿真结果验证了该方法的可行性。
From a numerical simulation on a practical possible mode: uniform acceleration-uniform speed-uniform deceleration we obtain the relationship between the measurement error and the acceleration value.
利用气垫导轨及电脑通用计数器测定匀加速直线运动的加速度．测定误差为-0.67%。
Using air cushion slide-way and general computer counter to measure the acceleration in uniform linear motion, the error of this experiment is -0.67 percent.
利用气垫导轨及电脑通用计数器测定匀加速直线运动的加速度．测定误差为-0.67%。
Using air cushion slide-way and general computer counter to measure the acceleration in uniform linear motion, the error of this experiment is -0.67 percent.
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