超难物理题一道!用6m长的轻绳将AB两球相连,两球相隔0.8s先后从桌面末端以4.5m/s的初速度水平抛出.那么,将A球抛出后经过多长时间,AB间的轻绳刚好被拉直?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 08:43:49
![超难物理题一道!用6m长的轻绳将AB两球相连,两球相隔0.8s先后从桌面末端以4.5m/s的初速度水平抛出.那么,将A球抛出后经过多长时间,AB间的轻绳刚好被拉直?](/uploads/image/z/7210026-18-6.jpg?t=%E8%B6%85%E9%9A%BE%E7%89%A9%E7%90%86%E9%A2%98%E4%B8%80%E9%81%93%21%E7%94%A86m%E9%95%BF%E7%9A%84%E8%BD%BB%E7%BB%B3%E5%B0%86AB%E4%B8%A4%E7%90%83%E7%9B%B8%E8%BF%9E%2C%E4%B8%A4%E7%90%83%E7%9B%B8%E9%9A%940.8s%E5%85%88%E5%90%8E%E4%BB%8E%E6%A1%8C%E9%9D%A2%E6%9C%AB%E7%AB%AF%E4%BB%A54.5m%2Fs%E7%9A%84%E5%88%9D%E9%80%9F%E5%BA%A6%E6%B0%B4%E5%B9%B3%E6%8A%9B%E5%87%BA.%E9%82%A3%E4%B9%88%2C%E5%B0%86A%E7%90%83%E6%8A%9B%E5%87%BA%E5%90%8E%E7%BB%8F%E8%BF%87%E5%A4%9A%E9%95%BF%E6%97%B6%E9%97%B4%2CAB%E9%97%B4%E7%9A%84%E8%BD%BB%E7%BB%B3%E5%88%9A%E5%A5%BD%E8%A2%AB%E6%8B%89%E7%9B%B4%3F)
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