我做的对吗 要是不对麻烦改一下
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:物理作业 时间:2024/07/30 17:44:21
我做的对吗 要是不对麻烦改一下
![](http://img.wesiedu.com/upload/1/fe/1fe58ad55899973ea91451f6ec939d0a.jpg)
![](http://img.wesiedu.com/upload/1/fe/1fe58ad55899973ea91451f6ec939d0a.jpg)
![我做的对吗 要是不对麻烦改一下](/uploads/image/z/19540939-67-9.jpg?t=%E6%88%91%E5%81%9A%E7%9A%84%E5%AF%B9%E5%90%97+%E8%A6%81%E6%98%AF%E4%B8%8D%E5%AF%B9%E9%BA%BB%E7%83%A6%E6%94%B9%E4%B8%80%E4%B8%8B)
(1)v=s/t=22×1852=40744m/h=40.744km/h
(2)F浮=G排=m排g=6500×103kg×10N/kg=6.5×107N;
(3)p=ρgh= 1.03×103kg/m3×10 N/kg ×300m =3.09×106 pa
(2)F浮=G排=m排g=6500×103kg×10N/kg=6.5×107N;
(3)p=ρgh= 1.03×103kg/m3×10 N/kg ×300m =3.09×106 pa