皮皮学，免费搜题
登录
搜题
【多选题】
弹簧振子的振幅增加一倍，则A.
振动周期增加一倍
B.
最大加速度增加一倍
C.
总能量增加二倍
D.
最大加速度不变
E.
最大速度增加一倍
F.
振动频率增加一倍
G.
相位增加一倍
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
【单选题】Speaker A: I've got a fever and a really bad headache. Speaker B: _____
A.
Why are you so careless about yourself?.
B.
This kind of thing happens to everyone.
C.
You should take good care of yourself.
D.
Oh, that's too bad. Why don't you take some aspirin?
【简答题】Things got so bad (recent) ______ that he decided not to go to his office.
【单选题】Speaker A: I've got a fever and a really bad headache. Speaker B: ______.
A.
Why are you so careless about yourself?
B.
This kind of thing happens to everyone.
C.
You should take good Care of yourself.
D.
Oh, that's too bad. Why don't you take some aspirin?
【简答题】已知函数 f ( x )的定义域为［－ ， ］，求函数 g ( x )= f (3 x )＋ f ( )的定义域
【简答题】已知函数f（x）=mx 2 +nx+3m+n是偶函数，且其定义域为[m-1，2m]． （1）求m，n的值； （2）求函数f（x）在其定义域上的最大值．
相关题目：
参考解析：
知识点：
题目纠错 0
发布
