室内体育馆长135米,一个人站在馆内某出大喊一声,听到两边传来两个回声相隔0.3秒,人距两墙的距各是多少米?V空=340米每秒,
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 14:35:59
![室内体育馆长135米,一个人站在馆内某出大喊一声,听到两边传来两个回声相隔0.3秒,人距两墙的距各是多少米?V空=340米每秒,](/uploads/image/z/12344477-5-7.jpg?t=%E5%AE%A4%E5%86%85%E4%BD%93%E8%82%B2%E9%A6%86%E9%95%BF135%E7%B1%B3%2C%E4%B8%80%E4%B8%AA%E4%BA%BA%E7%AB%99%E5%9C%A8%E9%A6%86%E5%86%85%E6%9F%90%E5%87%BA%E5%A4%A7%E5%96%8A%E4%B8%80%E5%A3%B0%2C%E5%90%AC%E5%88%B0%E4%B8%A4%E8%BE%B9%E4%BC%A0%E6%9D%A5%E4%B8%A4%E4%B8%AA%E5%9B%9E%E5%A3%B0%E7%9B%B8%E9%9A%940.3%E7%A7%92%2C%E4%BA%BA%E8%B7%9D%E4%B8%A4%E5%A2%99%E7%9A%84%E8%B7%9D%E5%90%84%E6%98%AF%E5%A4%9A%E5%B0%91%E7%B1%B3%3FV%E7%A9%BA%EF%BC%9D340%E7%B1%B3%E6%AF%8F%E7%A7%92%2C)
xRN@~ Wj[QĻk$WŢJ1XADZ+v&ă7c|F18/kfYv@SqkDzh
Wa[/A[X
ԽcK#N'&s! y5QZPJ}50ty]UY8f7Yx,o2EoVk|cZO3*l]\`.S`!Jde.A _[g$!4#0$K
%qbNlG?a^"/Uջ` mk]5K2AqA{MmTĴS(BJHpg-ZYD