1.将体积是500dm(dm上面有个五次方),质量是450kg的水雷抛入水中.求水雷在静止时所受的浮力?2.用一根能承受2t物体的拉力的钢绳,能否把沉没在水中,体积为1m(m上有个3次方),密度是2.6×10(有个3次
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 08:30:44
![1.将体积是500dm(dm上面有个五次方),质量是450kg的水雷抛入水中.求水雷在静止时所受的浮力?2.用一根能承受2t物体的拉力的钢绳,能否把沉没在水中,体积为1m(m上有个3次方),密度是2.6×10(有个3次](/uploads/image/z/3534363-27-3.jpg?t=1.%E5%B0%86%E4%BD%93%E7%A7%AF%E6%98%AF500dm%28dm%E4%B8%8A%E9%9D%A2%E6%9C%89%E4%B8%AA%E4%BA%94%E6%AC%A1%E6%96%B9%29%2C%E8%B4%A8%E9%87%8F%E6%98%AF450kg%E7%9A%84%E6%B0%B4%E9%9B%B7%E6%8A%9B%E5%85%A5%E6%B0%B4%E4%B8%AD.%E6%B1%82%E6%B0%B4%E9%9B%B7%E5%9C%A8%E9%9D%99%E6%AD%A2%E6%97%B6%E6%89%80%E5%8F%97%E7%9A%84%E6%B5%AE%E5%8A%9B%3F2.%E7%94%A8%E4%B8%80%E6%A0%B9%E8%83%BD%E6%89%BF%E5%8F%972t%E7%89%A9%E4%BD%93%E7%9A%84%E6%8B%89%E5%8A%9B%E7%9A%84%E9%92%A2%E7%BB%B3%2C%E8%83%BD%E5%90%A6%E6%8A%8A%E6%B2%89%E6%B2%A1%E5%9C%A8%E6%B0%B4%E4%B8%AD%2C%E4%BD%93%E7%A7%AF%E4%B8%BA1m%28m%E4%B8%8A%E6%9C%89%E4%B8%AA3%E6%AC%A1%E6%96%B9%29%2C%E5%AF%86%E5%BA%A6%E6%98%AF2.6%C3%9710%28%E6%9C%89%E4%B8%AA3%E6%AC%A1)
xVKO"Y+,I5hӅ?d&813^hyCEDhTJ,Sުa[(Qg3I'! w9Kj&oNOL_{bh1XaQC0,,fSzcnY@['8Zˮ6kV1r¡ݠXݤgkJwfENɣ QX`e*R`CS(.#LHVh?K;}W71T3 ؋"3Uq9JwtXB