2013年成人高考高升本《物理化学综合》模拟试卷(7)
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三、计算题:29~31小题,共33分。解答要求写出必要的文字说明、方程式和重要演算步骤。只写出后答案,而未写出主要演算过程的,不能得分。
29、
(2)设第二块物体m2落地后陷入地中,求m2对地的冲量大小.(g取10 m/s2)
30、
![](//wximg.233.com/attached/image/20130108/20130108163917231723.jpg)
![](//wximg.233.com/attached/image/20130108/20130108163937223722.jpg)
电流的功率和电路的热功率各多大?
![](//wximg.233.com/attached/image/20130108/20130108163915421542.jpg)
31、
![](//wximg.233.com/attached/image/20130111/20130111154214531453.jpg)
![](//wximg.233.com/attached/image/20130111/2013011115420519519.jpg)
29、
![](http://wximg.233.com/attached/image/20130108/20130108155015431543.jpg)
(2)设第二块物体m2落地后陷入地中,求m2对地的冲量大小.(g取10 m/s2)
30、
![](http://wximg.233.com/attached/image/20130108/20130108163917231723.jpg)
![](http://wximg.233.com/attached/image/20130108/20130108163937223722.jpg)
电流的功率和电路的热功率各多大?
![](http://wximg.233.com/attached/image/20130108/20130108163915421542.jpg)
31、
![](http://wximg.233.com/attached/image/20130111/20130111154214531453.jpg)
![](http://wximg.233.com/attached/image/20130111/2013011115420519519.jpg)