如图4-4-3所示,传送带与水平面之间的夹角为θ=30°,其上A、 B两点间的距离为l=5 m,传送带在电动机的带动下以v=1 m/s的速度匀速运动,现将一质量为m=10 kg的小物体(可视为质 点)轻放在传
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 00:43:15
![如图4-4-3所示,传送带与水平面之间的夹角为θ=30°,其上A、 B两点间的距离为l=5 m,传送带在电动机的带动下以v=1 m/s的速度匀速运动,现将一质量为m=10 kg的小物体(可视为质 点)轻放在传](/uploads/image/z/12190100-68-0.jpg?t=%E5%A6%82%E5%9B%BE4%EF%BC%8D4%EF%BC%8D3%E6%89%80%E7%A4%BA%2C%E4%BC%A0%E9%80%81%E5%B8%A6%E4%B8%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B9%8B%E9%97%B4%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA%CE%B8%EF%BC%9D30%C2%B0%2C%E5%85%B6%E4%B8%8AA%E3%80%81+B%E4%B8%A4%E7%82%B9%E9%97%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BAl%EF%BC%9D5+m%2C%E4%BC%A0%E9%80%81%E5%B8%A6%E5%9C%A8%E7%94%B5%E5%8A%A8%E6%9C%BA%E7%9A%84%E5%B8%A6%E5%8A%A8%E4%B8%8B%E4%BB%A5v%EF%BC%9D1+m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%2C%E7%8E%B0%E5%B0%86%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%EF%BC%9D10+kg%E7%9A%84%E5%B0%8F%E7%89%A9%E4%BD%93%28%E5%8F%AF%E8%A7%86%E4%B8%BA%E8%B4%A8+%E7%82%B9%29%E8%BD%BB%E6%94%BE%E5%9C%A8%E4%BC%A0)
xTmOP+ɶ0ztRަnK L2e]1-/J-;mI,nr=}s[Olt{梵^8^u_J]UZۿj;=(O6?JZ*4tsUIėYU鉶
5.*zy@Dz7N5r䄓TCUj=`]D|Ý:acq&nJh5GD͜~^n=Spq
WPDxEњE ~2|q\#mKUKE I9 A=K7k֚fOIV{ O؇azr`