40.小玲将一块矿石挂在弹簧测力计下,然后又将此矿石浸没在水中,测力计两次示数分别如图26(甲)、(乙)所示.⑴矿石受到浮力的大小为F=_________N; ⑵矿石的密度=_____________kg/m3.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 01:24:58
![40.小玲将一块矿石挂在弹簧测力计下,然后又将此矿石浸没在水中,测力计两次示数分别如图26(甲)、(乙)所示.⑴矿石受到浮力的大小为F=_________N; ⑵矿石的密度=_____________kg/m3.](/uploads/image/z/8597112-24-2.jpg?t=40%EF%BC%8E%E5%B0%8F%E7%8E%B2%E5%B0%86%E4%B8%80%E5%9D%97%E7%9F%BF%E7%9F%B3%E6%8C%82%E5%9C%A8%E5%BC%B9%E7%B0%A7%E6%B5%8B%E5%8A%9B%E8%AE%A1%E4%B8%8B%2C%E7%84%B6%E5%90%8E%E5%8F%88%E5%B0%86%E6%AD%A4%E7%9F%BF%E7%9F%B3%E6%B5%B8%E6%B2%A1%E5%9C%A8%E6%B0%B4%E4%B8%AD%2C%E6%B5%8B%E5%8A%9B%E8%AE%A1%E4%B8%A4%E6%AC%A1%E7%A4%BA%E6%95%B0%E5%88%86%E5%88%AB%E5%A6%82%E5%9B%BE26%EF%BC%88%E7%94%B2%EF%BC%89%E3%80%81%EF%BC%88%E4%B9%99%EF%BC%89%E6%89%80%E7%A4%BA.%E2%91%B4%E7%9F%BF%E7%9F%B3%E5%8F%97%E5%88%B0%E6%B5%AE%E5%8A%9B%E7%9A%84%E5%A4%A7%E5%B0%8F%E4%B8%BAF%EF%BC%9D_________N%EF%BC%9B+%E2%91%B5%E7%9F%BF%E7%9F%B3%E7%9A%84%E5%AF%86%E5%BA%A6%26%2361554%3B%EF%BC%9D_____________kg%2Fm3.)
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