皮皮学，免费搜题
登录
搜题
【简答题】
一质量为 m 的质点在指向圆心的平方反比力 F = - k / r 2 的作用下,作半 径为 r 的圆周运动.此质点的速度 v =__________ .若取距圆心无穷远处为势 能零点,它的机械能 E =________
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】d____ a.1willing to do anything to change a very bad situation,and not caring abouter ( 由于处在绝境而 ) 不惜冒险的,拼命的,绝望的 2needing or wanting sth.very much 非常需要的;极其需要的
【简答题】Complete the sentences with words chosen from the box. A. crazy B. willing C. certain D. likely E. keen F. eager G. anxious H. fortunate I. content J. adequate 1. His wage ...
【简答题】a. 1 willing to do anything to change a very bad situation, and not caring about er (由于处在绝境而)不惜冒险的,拼命的,绝望的 2 needing or wanting sth. very much 非常需要的;极其需要的
【简答题】Match the words in the box with their definitions. 1 willing to accept someone else ’ s beliefs or way of life without criticizing them 2 a system of government in which people vote in elections to ch...
【简答题】练习与思考1.4.2(a):如图,试问I=( )?,请注意单位!
相关题目：
参考解析：
知识点：
题目纠错 0
发布
