物理题,简单得高分,快挖掘机在6s内将装满铲斗质量为0.75t的泥石送到岸边,挖掘深度H=2m.(如图乙所示)(取g=10N/kg)求:(1)挖掘机每挖一次泥土并水平移送到岸边,对泥土做功多少?(2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 04:27:19
![物理题,简单得高分,快挖掘机在6s内将装满铲斗质量为0.75t的泥石送到岸边,挖掘深度H=2m.(如图乙所示)(取g=10N/kg)求:(1)挖掘机每挖一次泥土并水平移送到岸边,对泥土做功多少?(2)](/uploads/image/z/6972580-28-0.jpg?t=%E7%89%A9%E7%90%86%E9%A2%98%2C%E7%AE%80%E5%8D%95%E5%BE%97%E9%AB%98%E5%88%86%2C%E5%BF%AB%E6%8C%96%E6%8E%98%E6%9C%BA%E5%9C%A86s%E5%86%85%E5%B0%86%E8%A3%85%E6%BB%A1%E9%93%B2%E6%96%97%E8%B4%A8%E9%87%8F%E4%B8%BA0.75t%E7%9A%84%E6%B3%A5%E7%9F%B3%E9%80%81%E5%88%B0%E5%B2%B8%E8%BE%B9%2C%E6%8C%96%E6%8E%98%E6%B7%B1%E5%BA%A6H%3D2m%EF%BC%8E%EF%BC%88%E5%A6%82%E5%9B%BE%E4%B9%99%E6%89%80%E7%A4%BA%EF%BC%89%EF%BC%88%E5%8F%96g%3D10N%2Fkg%EF%BC%89%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E6%8C%96%E6%8E%98%E6%9C%BA%E6%AF%8F%E6%8C%96%E4%B8%80%E6%AC%A1%E6%B3%A5%E5%9C%9F%E5%B9%B6%E6%B0%B4%E5%B9%B3%E7%A7%BB%E9%80%81%E5%88%B0%E5%B2%B8%E8%BE%B9%2C%E5%AF%B9%E6%B3%A5%E5%9C%9F%E5%81%9A%E5%8A%9F%E5%A4%9A%E5%B0%91%3F%EF%BC%882%EF%BC%89)
xTIO@+pAv,.1=Rԃ$D
RoJR4UXd#C3O}3c'F=!P)ro}3ލE#ra˨*(~uF=\Nqe&
P=hpڿGy[BI]ks[Ff7Fi)>\6}o$q}MaT}u#oLHnɋג5_B5͡ߢV(uTFˠh3z" z?~<
0T|q-T"[@t Hp&
k2Y0BFyW*#$a rĐ9ԵYq}cZu
wbY\)Xy