易拉罐物理题!某同学找了一个用过的易拉罐,在靠近底部的侧面打了一个洞.用手指按住洞,在里面装上水.然后将易拉罐向上抛出,空气阻力不计,则下列说法正确的是 ( )A.在易拉罐上升过程中,
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![易拉罐物理题!某同学找了一个用过的易拉罐,在靠近底部的侧面打了一个洞.用手指按住洞,在里面装上水.然后将易拉罐向上抛出,空气阻力不计,则下列说法正确的是 ( )A.在易拉罐上升过程中,](/uploads/image/z/4372679-47-9.jpg?t=%E6%98%93%E6%8B%89%E7%BD%90%E7%89%A9%E7%90%86%E9%A2%98%21%E6%9F%90%E5%90%8C%E5%AD%A6%E6%89%BE%E4%BA%86%E4%B8%80%E4%B8%AA%E7%94%A8%E8%BF%87%E7%9A%84%E6%98%93%E6%8B%89%E7%BD%90%2C%E5%9C%A8%E9%9D%A0%E8%BF%91%E5%BA%95%E9%83%A8%E7%9A%84%E4%BE%A7%E9%9D%A2%E6%89%93%E4%BA%86%E4%B8%80%E4%B8%AA%E6%B4%9E.%E7%94%A8%E6%89%8B%E6%8C%87%E6%8C%89%E4%BD%8F%E6%B4%9E%2C%E5%9C%A8%E9%87%8C%E9%9D%A2%E8%A3%85%E4%B8%8A%E6%B0%B4.%E7%84%B6%E5%90%8E%E5%B0%86%E6%98%93%E6%8B%89%E7%BD%90%E5%90%91%E4%B8%8A%E6%8A%9B%E5%87%BA%2C%E7%A9%BA%E6%B0%94%E9%98%BB%E5%8A%9B%E4%B8%8D%E8%AE%A1%2C%E5%88%99%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF+%28+%29A.%E5%9C%A8%E6%98%93%E6%8B%89%E7%BD%90%E4%B8%8A%E5%8D%87%E8%BF%87%E7%A8%8B%E4%B8%AD%2C)
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