急)起重机以a=1m/s^2的加速度将重为G=10^4N的货物由静止匀加速向上提升起重机以a=1m/s^2的加速度将重为G=10^4N的货物由静止匀加速向上提升.那么,在1s内起重机对货物的功是(g=10m/s^2) ()A.500JB.5000J
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 22:08:44
![急)起重机以a=1m/s^2的加速度将重为G=10^4N的货物由静止匀加速向上提升起重机以a=1m/s^2的加速度将重为G=10^4N的货物由静止匀加速向上提升.那么,在1s内起重机对货物的功是(g=10m/s^2) ()A.500JB.5000J](/uploads/image/z/2186103-39-3.jpg?t=%E6%80%A5%EF%BC%89%E8%B5%B7%E9%87%8D%E6%9C%BA%E4%BB%A5a%3D1m%2Fs%5E2%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E5%B0%86%E9%87%8D%E4%B8%BAG%3D10%5E4N%E7%9A%84%E8%B4%A7%E7%89%A9%E7%94%B1%E9%9D%99%E6%AD%A2%E5%8C%80%E5%8A%A0%E9%80%9F%E5%90%91%E4%B8%8A%E6%8F%90%E5%8D%87%E8%B5%B7%E9%87%8D%E6%9C%BA%E4%BB%A5a%3D1m%2Fs%5E2%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E5%B0%86%E9%87%8D%E4%B8%BAG%3D10%5E4N%E7%9A%84%E8%B4%A7%E7%89%A9%E7%94%B1%E9%9D%99%E6%AD%A2%E5%8C%80%E5%8A%A0%E9%80%9F%E5%90%91%E4%B8%8A%E6%8F%90%E5%8D%87.%E9%82%A3%E4%B9%88%2C%E5%9C%A81s%E5%86%85%E8%B5%B7%E9%87%8D%E6%9C%BA%E5%AF%B9%E8%B4%A7%E7%89%A9%E7%9A%84%E5%8A%9F%E6%98%AF%28g%3D10m%2Fs%5E2%29+%28%29A.500JB.5000J)
xSnP,C#!{$aQQp c-@"L1\+~s}*TuU8s82/Nᘴ梗T Zo>\1n$
>Zs6v4=d/URq`y')~hkbG60yI|IDvv!A8GAv4pI1!\sSm{ڣȣ%IWF5l%gQ3 ӸBn.ð
|#bR*OI 'IY\5 ?)8VF.ǃ-r"}0{uPϐsJsew]b{KOأONDvqLeîp N