小球自由落体,落地时地面所受的力是多少?小球重2.82KG,从0.9米高处掉落,做自由落体,忽略空气阻力,落地时地面所受的力是多少(不考虑球弹起来).解答者请写下中间步骤及公式是落地的瞬间
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/11 15:59:55
![小球自由落体,落地时地面所受的力是多少?小球重2.82KG,从0.9米高处掉落,做自由落体,忽略空气阻力,落地时地面所受的力是多少(不考虑球弹起来).解答者请写下中间步骤及公式是落地的瞬间](/uploads/image/z/9990578-2-8.jpg?t=%E5%B0%8F%E7%90%83%E8%87%AA%E7%94%B1%E8%90%BD%E4%BD%93%2C%E8%90%BD%E5%9C%B0%E6%97%B6%E5%9C%B0%E9%9D%A2%E6%89%80%E5%8F%97%E7%9A%84%E5%8A%9B%E6%98%AF%E5%A4%9A%E5%B0%91%3F%E5%B0%8F%E7%90%83%E9%87%8D2.82KG%2C%E4%BB%8E0.9%E7%B1%B3%E9%AB%98%E5%A4%84%E6%8E%89%E8%90%BD%2C%E5%81%9A%E8%87%AA%E7%94%B1%E8%90%BD%E4%BD%93%2C%E5%BF%BD%E7%95%A5%E7%A9%BA%E6%B0%94%E9%98%BB%E5%8A%9B%2C%E8%90%BD%E5%9C%B0%E6%97%B6%E5%9C%B0%E9%9D%A2%E6%89%80%E5%8F%97%E7%9A%84%E5%8A%9B%E6%98%AF%E5%A4%9A%E5%B0%91%EF%BC%88%E4%B8%8D%E8%80%83%E8%99%91%E7%90%83%E5%BC%B9%E8%B5%B7%E6%9D%A5%EF%BC%89.%E8%A7%A3%E7%AD%94%E8%80%85%E8%AF%B7%E5%86%99%E4%B8%8B%E4%B8%AD%E9%97%B4%E6%AD%A5%E9%AA%A4%E5%8F%8A%E5%85%AC%E5%BC%8F%E6%98%AF%E8%90%BD%E5%9C%B0%E7%9A%84%E7%9E%AC%E9%97%B4)
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