踢球时,球在空中飞行速度一样吗?那香蕉球又是怎么回事?书上说是由于球两边的球速不同,压强不同造成的,难道球在空中旋转时速度不一样吗?为什么?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 11:39:07
![踢球时,球在空中飞行速度一样吗?那香蕉球又是怎么回事?书上说是由于球两边的球速不同,压强不同造成的,难道球在空中旋转时速度不一样吗?为什么?](/uploads/image/z/14066702-62-2.jpg?t=%E8%B8%A2%E7%90%83%E6%97%B6%2C%E7%90%83%E5%9C%A8%E7%A9%BA%E4%B8%AD%E9%A3%9E%E8%A1%8C%E9%80%9F%E5%BA%A6%E4%B8%80%E6%A0%B7%E5%90%97%3F%E9%82%A3%E9%A6%99%E8%95%89%E7%90%83%E5%8F%88%E6%98%AF%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B%3F%E4%B9%A6%E4%B8%8A%E8%AF%B4%E6%98%AF%E7%94%B1%E4%BA%8E%E7%90%83%E4%B8%A4%E8%BE%B9%E7%9A%84%E7%90%83%E9%80%9F%E4%B8%8D%E5%90%8C%2C%E5%8E%8B%E5%BC%BA%E4%B8%8D%E5%90%8C%E9%80%A0%E6%88%90%E7%9A%84%2C%E9%9A%BE%E9%81%93%E7%90%83%E5%9C%A8%E7%A9%BA%E4%B8%AD%E6%97%8B%E8%BD%AC%E6%97%B6%E9%80%9F%E5%BA%A6%E4%B8%8D%E4%B8%80%E6%A0%B7%E5%90%97%3F%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
xWYnG}>KrH.0I!%-h1IDpdWȫH @ DR˫?}0]ϩ֣Ի~Ǘ~작?:zcsG:*-=he3cC7"sѢoK3E*Uh˗=W:N8qgg_ơZ~EtPD?
\X{]6>}x?*LE&
G1X5'0h1M[~M5'Wit>/9y
ݝ
hR8n
c8|_{;]:*KݵjTuic}lN>Z:uΑ*3b
3fJU*9Z/ÉToO&A(f2]n> J*fD*ОA (