谁有关于光和力的物理题,急..

http://www.wnxk.com/shiti/wuli/8/2006121011983.html
http://t.3edu.net/cewl/tk_40457.html
http://www.xxw.cn/homepg/study/morelist/News11.shtml
http://www.xiaocao.net/shiti/xkjs/wljs/
http://hi.baidu.com/%D0%C2%D0%C2%D1%A7%CF%B0%B7%BD%CA%BD/blog/item/6e59e52380d8d0f4d7cae288.html