We have discussed that earlier when we dealt with the planets, and we dealt with uniform circular motions, and we evaluated the centripetal acceleration.
先前在讲行星时,我们讨论过这个，我们讨论的是,匀速圆周运动，而且我们评估了,向心加速度。
Einstein's elevator; Artillery range; Uniform acceleration and circular motion using dimensional analysis.
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.
爱因斯坦电梯；炮火射程；匀加速度和圆周运动的量纲分析。
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