甲乙两球质量相等,悬线一长一短,如图将两球由图示位置的同一水平无初速释放,如图所示,不计阻力,则对小球过最低点时的正确说法是( ) A、甲球的动能与乙球的动能相等 B、两球受到线的
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 14:35:07
![甲乙两球质量相等,悬线一长一短,如图将两球由图示位置的同一水平无初速释放,如图所示,不计阻力,则对小球过最低点时的正确说法是( ) A、甲球的动能与乙球的动能相等 B、两球受到线的](/uploads/image/z/1678984-16-4.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E7%90%83%E8%B4%A8%E9%87%8F%E7%9B%B8%E7%AD%89%2C%E6%82%AC%E7%BA%BF%E4%B8%80%E9%95%BF%E4%B8%80%E7%9F%AD%2C%E5%A6%82%E5%9B%BE%E5%B0%86%E4%B8%A4%E7%90%83%E7%94%B1%E5%9B%BE%E7%A4%BA%E4%BD%8D%E7%BD%AE%E7%9A%84%E5%90%8C%E4%B8%80%E6%B0%B4%E5%B9%B3%E6%97%A0%E5%88%9D%E9%80%9F%E9%87%8A%E6%94%BE%2C%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%B8%8D%E8%AE%A1%E9%98%BB%E5%8A%9B%2C%E5%88%99%E5%AF%B9%E5%B0%8F%E7%90%83%E8%BF%87%E6%9C%80%E4%BD%8E%E7%82%B9%E6%97%B6%E7%9A%84%E6%AD%A3%E7%A1%AE%E8%AF%B4%E6%B3%95%E6%98%AF%EF%BC%88+%EF%BC%89+A%E3%80%81%E7%94%B2%E7%90%83%E7%9A%84%E5%8A%A8%E8%83%BD%E4%B8%8E%E4%B9%99%E7%90%83%E7%9A%84%E5%8A%A8%E8%83%BD%E7%9B%B8%E7%AD%89+B%E3%80%81%E4%B8%A4%E7%90%83%E5%8F%97%E5%88%B0%E7%BA%BF%E7%9A%84)
xVRYUy.[sT)d> 5ϙj@.38UA $AAJMDeU)IOBysBQ]^g/grBjVY,+-`qs#b*N(.ga+;R?%k (7PƊZgq"XRjn%,s謍iBf
bRo+Úr[xlA/L-wB&+r_jT&-4f2J yy}DGS]c;t%uN $zEhk)t\-G,=|T3*wNFS~)&
.,D~丠.:·!0|jr[FM碡+ۼI6L,~o8/Yf1pfbx7~ ٯb ˈ_v`lv,oBLѠZV?習