徒手抓子弹

• 作 者: 吴桂明
• 出 处: 中学生数理化(八年级物理)(配合人教社教材)
• 发表日期: 2014年Z2期
• 关键词: 高空飞行 小玩意儿 运动和静止 行驶速度 相对静止 空中加油机 航天技术 对接过程 自主控制 变轨

据报载,在第一次世界大战期间,一个法国飞行员碰到了一件很不寻常的事件.这个飞行员驾驶飞机在2000 m高空飞行的时候,如图1,发现脸旁有一个小玩意儿在游动着,飞行员以为是一只小昆虫,敏捷地把它一把抓了过来,令他大吃一惊的是,他发现抓到的竟是一颗德国子弹.很多人以为这个故事是编造的,子弹速度那么快,怎么可能是真的呢?先看这样一个实例,在生活中,比如你和你的同学各骑一辆自行车去学校,假设你骑得很快,你还想

It was reported that during the First World War, a French pilot encountered a very unusual incident when the pilot piloted the aircraft at a height of 2000 m (Figure 1) and found a gizmo Swimmers, the pilot thought it was a small insect, quickly grabbed it over, so he was surprised to find caught was actually a German bullet. Many people think that this story is made of bullets so fast Fast, how could it be true? Look at an example of this, in life, such as you and your classmates riding a bike to school, assuming you ride fast, you still want