有一气球以5m/s的速度由地面匀速上升有一气球以5m/s的速度由地面匀速上升,经过30s后,气球上悬挂重物的绳子断开,求物体从绳子断开到落地所用的时间和物体落地时的速度大小.(这两问我会)(g
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 12:02:37
![有一气球以5m/s的速度由地面匀速上升有一气球以5m/s的速度由地面匀速上升,经过30s后,气球上悬挂重物的绳子断开,求物体从绳子断开到落地所用的时间和物体落地时的速度大小.(这两问我会)(g](/uploads/image/z/5030504-8-4.jpg?t=%E6%9C%89%E4%B8%80%E6%B0%94%E7%90%83%E4%BB%A55m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E7%94%B1%E5%9C%B0%E9%9D%A2%E5%8C%80%E9%80%9F%E4%B8%8A%E5%8D%87%E6%9C%89%E4%B8%80%E6%B0%94%E7%90%83%E4%BB%A55m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E7%94%B1%E5%9C%B0%E9%9D%A2%E5%8C%80%E9%80%9F%E4%B8%8A%E5%8D%87%2C%E7%BB%8F%E8%BF%8730s%E5%90%8E%2C%E6%B0%94%E7%90%83%E4%B8%8A%E6%82%AC%E6%8C%82%E9%87%8D%E7%89%A9%E7%9A%84%E7%BB%B3%E5%AD%90%E6%96%AD%E5%BC%80%2C%E6%B1%82%E7%89%A9%E4%BD%93%E4%BB%8E%E7%BB%B3%E5%AD%90%E6%96%AD%E5%BC%80%E5%88%B0%E8%90%BD%E5%9C%B0%E6%89%80%E7%94%A8%E7%9A%84%E6%97%B6%E9%97%B4%E5%92%8C%E7%89%A9%E4%BD%93%E8%90%BD%E5%9C%B0%E6%97%B6%E7%9A%84%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F.%28%E8%BF%99%E4%B8%A4%E9%97%AE%E6%88%91%E4%BC%9A%29%28g)
xVR"Y\@aatuXaopc<:, 462ʢ>|i6Z,jU]dws7*ܖֻѶR7T7N.(B~0:Y\il4i פjV:YcRm2B+0cݔԷN-;%*S=râ־25GS__Y}o\?glPhgi^dMvH}+ETXuPU$*Z7BWGT1>`^[R8-'eNxEE(%5ƵnF1Go!N+Oʏۄ@r`9c/3߽ۼE|zeNmp{EQɹkiVsqsH^;SS>$|݂g
F1-p%b3MzJiܥ&rhW8خ_D? ']P9>:ީicaxo/MB xȏE%aQ?%'a5
;Gt( [4-$$C([@VpŻCЈ9
y5+l;O/h:AqQ-]x.r͘