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Issue:
Projectile motion considering rotation of earth
Author(s):
ZHONG Zhong-hou
Pages:
281
-
283
Year:
2005
Issue:
z2
Journal:
JOURNAL OF LIAONING TECHNICAL UNIVERSITY(NATURAL SCIENCE EDITION)
Keyword:
地球自转
;
抛体运动
;
非惯性系
;
Abstract:
针对经典力学中忽略地球自转来处理抛体运动的问题,考虑地球自转的影响,建立了抛体运动的动力学方程.忽略含ω2项,解微分方程,依次得到抛体运动的空间速度方程和空间运动方程.分别计算出任意抛体运动和平抛运动时落点的水平二维偏离分量,分别得出落点的偏离公式.对落点的偏离情况分别进行讨论.结果表明:抛体运动的轨迹是一空间曲线;落点在不同条件下有不偏、偏右和偏左三种可能.该问题有助于了解和解释由地球自转引发的一些自然现象.
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