试题与答案

新型防空导弹“红旗-9”试射,导弹上升过程中,重力势能 _______ (选填“

题型:填空题

题目:

新型防空导弹“红旗-9”试射,导弹上升过程中,重力势能 _______ (选填“增大”、“减小”或“不变”),而其与空气摩擦导致内能 _______ (选填“增大”、“减小”或“不变”),此内能改变是通过 _______ 的方式实现的。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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